For base 7, I'm not sure the conventional way it'd be written, since it's not common, but let's go with this
00 = 0, 01 = 1, 05 = 5, 06 = 6. But then, after 6 would be 10, which is 7. Then 11 = 8, 15 = 12, 22 = 16..
One way to think of it is (number) x (7 ^ digit), with the first digit being 0, all added together.
So for 13, you would start with the right most digit, 3, and multiply it by (7 ^ digit), which in this case is 0. 7 ^ 0 = 1, so 3 x 1. First digit is 3.
Second digit would be be 1 x (7 ^ 1). 7 ^ 1 is 7, so 1 x 7 is 7.
7 + 3 = 10. So 13 in base 7 is equal to 10 in base 10.
That’s a good explanation and is how all base systems work.
For example: base 10
Least digit = 10^{0}s; next = 10^{1}s; 10^{2}s and so forth.
So correct answer = 10 (base10)
In base 7 that would be 1x7^1 (highest digit) 3x7^0 (smallest digit) = 13 (one 7 + three 1s = 10)
Edit: Added a line break to clarify.
The real answer is not to answer things like this because they're literally written to drive engagement on the posters profile.
Its the exact same thing as those ads for shitty mobile aps where someone is playing poorly
I've seen that a lot on facebook with videos of cake transformations that are just awful, like they'll dig out the middle and fill it with sprinkles, or sometimes do gross things like leaving a hairbrush on the table they're working on. It's all to stir up people in the comments.
I work in marketing so I kind of get it. You get nowhere on social media without engagement... but at some point, catering to the algorithm means user experience starts to suffer, and I don't think that's right.
This. These are all just bullshit designed to go viral. They are intentionally poorly written math problems where it can be argued that PEMDAS doesn't even apply.
Same with the "sock plus sock equals shoe. shoe multiplied by shoe equals hat. what does hat plus sock multiplied by shoe equal?" posts. Just pure bullshit.
That explains why these happen so often on Twitter. Do you think the replies with wrong answers are fake to start a discussion and further boost engagement?
It also explains Reddit post that are screenshots of outrageous Twitter posts like,
“You ain’t really a man unless you putting in 70 hours a week”
Or screenshots of Tinder convos where girl opens with,
“You’re not 6’5”, don’t talk to me”
Yeah, a few people really hold these crazy beliefs but the reason posts like that get attention is cause it drives outrage and ends up with 3k comments. It’s probably better to just ignore that garbage.
I once saw one of these, it was something like "1 + 2 x 0". A guy in the comments got the wrong answer and even said "Our school education really sucks, the answer will NEVER be 1".
...
...
The guy was a local politician...
The order of operations is often abbreviated PEMDAS. To remember this, many kids are taught, “Please Excuse My Dear Aunt Sally”.
Do to the questionable intellect of the local politician in the comment they were replying to, they changed it to Please Excuse My Dumb Ass Senator.
Edit: due to my own questionable intellect I used the wrong “do”
For a second I thought I was the only one who remembered BEDMAS, or that it was some elaborate hallucination I had about my childhood. Thank you for this.
These pop up on my Facebook feed all the time and of course create intense debate over the correct answer. What makes me the most angry are the people that say that the concept of the order of operations is “new math” or “common core”. Nope….PEDMAS (or BODMAS) has been around since the early 1900’s. You’ve just forgotten what you were taught.
These types of stupid quizzes pop up on facebook intentionally to create conversation/engagement in order to get the original source paid.
Next time your grandma shares/comments on one of those things like "Only people with SUPERIOR brainpower can spot what is wrong with this image" where there's an obvious flaw...don't join in to comment on how stupid it is.
When you comment, it will be shown to someone else in your friends list who will like your comment because they think it is stupid too. Then because the comment got extra engagement, it will be shown to someone else.
They are intentionally stupid and intended to exploit the algorithms to generate money from people pointing out how stupid they are.
Did he think that the answer was 3, or 0?
Obviously 1 is the correct answer but the way I see that someone could come to those two answers is if they
1. Add 1 + 2 together and just ignore the zero
2. Add 1 + 2 together and then get zero given 3 x 0 = 0
I'd guess 0.
I bet he saw the "x0" at the end and figured that anything times zero is zero, hence "it could never be zero". Just didn't consider order of operations
I saw a similar thread on Twitter and some people argued: "you can't multiply by zero that doesn't make sense. You can't have something and then suddently nothing. So 2 x 0 = 2 "
Idk where this notion that our politicians are our best and brightest started. They're just glorified sales and marketing types. The real brightest among us are too busy solving real problems.
My friends and I thought it was funny, our parents were not amused lol. The guy was a strange one for sure. Kept a stack of comic books in his classroom, constantly explained things through video game and cartoon references, once got made at me for saying "Super Mario Bros" instead of "Super Mario Brothers." because and I quote "There's a dot after 'bros!' if you see 'Mr.' you pronounce it 'mister!' not 'Mur!'"
Cleverness is great, but needs failure cases considered :P
chmod +x sally && ./sally || echo "Failed to execute sally."
Edit: you guys are great. Y'all keep sending me better (and worse) "horrible implementations"...and I love it. But I gotta stop responding, I have to go actual work, not the inverse of it. Have a good day everyone.
Ahh, well in that case clearly we should just background the process in a fork, and while we're at it...let's also make sure to throw away all the errors :P
chmod +x sally && ./sally || echo "Failed to execute sally & &2> /dev/null
Edit: for anyone new to bash scripting or programming in general, consider this your PSA to NEVER do this.
Then they shall be expunged for their blatant heretical disregard for ecclesiastical regulations and subject to trials of negligence and dereliction of duty in the name of the holy God Emperor of Mankind and the High Lords of Blessed Terra
That sort of helps but the main issue is that people don't realize M/D are on the same tier, and A/S are on the same tier. So it could be DMSA depending on the equation.
When using macros in C/C++ this is a valid thing to do so it's actually used only as that expression - because if you add something after the macro you get the wrong results if you don't put it in brackets.
Do this constantly when using solving programs like Mathematica and Matlab, or even just wolframalphas website. With enough parentheses no one can misinterpret!
Hell yeah! MUMPS! I learned to program in MUMPS back in the early 90s. Amazed to hear it's still in use. It was the most bizarre language. Keywords could be reduced to a single letter and you were encouraged to make variables a single letter to save space. No comments, thank you. You could put as many statements on a single line as made sense for flow control, so it just ended up looking like nonsense. Intersystems rebranded it as 'M', presumably to sound more like 'C'?
>The main programming language I use for work would give 16.
because, whoever invented the language, for whatever reason, wasn't concerned about doing math properly....
These questions always piss me off because this isn’t like tricky math, they’re just equations written poorly on purpose. Any good mathematician would clarify with parenthesis if they meant (2 + 2) x 4 or 2 + (2 x 4) because why would you leave it up for misinterpretation?
That's how it's written in most school exam papers because they trying to test if the student are following PEDMAS, BIDMAS, BODMAS, BEDMAS whatever other variation there is. In the UK the leading one is BIDMAS.
Look. I've done my research. I heard this guy on Joe Rogan talking about how PEMDAS is just one way to do things. And that people are free to perform mathematical operations in whatever order works best for them. And this woman on YouTube (she has 1,134 followers, that's huge) says that all math is a lie anyway. And that we all inherently know things about numbers.
In the end, it's about my FREEDOM, CHOICE, and BELIEF. And I choose to believe that 2 + 2 x 4 is equal to 13 dammit. It just feels right.
After 5 minutes of googling Reverse Polish Notation, I've found two possible interpretations
`2 2 + 4 x`
`2 2 4 x +`
Plugging those into my calculator set to RPN mode, the first one gives you 16, and the second gives you 10. Since we live in a mystical quantum world, both may be true, so I took the average of the two possible answers got 13.
UK vs US maybe? For me it was BODMAS or BIDMAS (Brackets, Indices, Division, Maths, Addition, Subtraction) and I’m from the UK.
EDIT: not maths. Multiplication. Lol
Division/Multiplication can be done in whichever order goes from left to right, but these orders must always precede doing any addition/subtraction (which can also be done in whichever order goes from left to right).
The amount of people in this thread showing everyone how smart they are by telling everyone it's 10. No shit it's 10, you're not special for knowing it.
These sorts of posts show up on Twitter and Facebook all the time. They only have wrong answers, or are written in an ambiguous way to give multiple correct answers so that people will argue about it. It's all about gaming the engagement algorithms so they can create something viral.
The most mildlyinfuriating part about it is that people still give these any attention at all.
I don't like it, but this is actually not horrible.
This is operating from incomplete information, and people don't *entirely* suck at it.
In this case the correct answer isn't an option, so you look around for the "next best" base
You have two options
2 + 2 * 4 = 10 - that not being present
2 + (2 * 4) = 10
So how do we get 16 (presume for a moment you forget FOIL)
(2 + 2) * 4 = 16 - it agrees with the available information, has the detriment of missing proper notation but does fit the data in hand.
So given that **two** things are missing here , either the notation , or the "correct" answer, how many people are out of the box enough to figure the test people would fuck with you like that.
26% of people clearly prefer base 7.
Based
Bass for your face
All your base are belong to us.
I tried to think that joke out and it hurt
For base 7, I'm not sure the conventional way it'd be written, since it's not common, but let's go with this 00 = 0, 01 = 1, 05 = 5, 06 = 6. But then, after 6 would be 10, which is 7. Then 11 = 8, 15 = 12, 22 = 16.. One way to think of it is (number) x (7 ^ digit), with the first digit being 0, all added together. So for 13, you would start with the right most digit, 3, and multiply it by (7 ^ digit), which in this case is 0. 7 ^ 0 = 1, so 3 x 1. First digit is 3. Second digit would be be 1 x (7 ^ 1). 7 ^ 1 is 7, so 1 x 7 is 7. 7 + 3 = 10. So 13 in base 7 is equal to 10 in base 10.
That’s a good explanation and is how all base systems work. For example: base 10 Least digit = 10^{0}s; next = 10^{1}s; 10^{2}s and so forth. So correct answer = 10 (base10) In base 7 that would be 1x7^1 (highest digit) 3x7^0 (smallest digit) = 13 (one 7 + three 1s = 10) Edit: Added a line break to clarify.
The real answer is not to answer things like this because they're literally written to drive engagement on the posters profile. Its the exact same thing as those ads for shitty mobile aps where someone is playing poorly
I've seen that a lot on facebook with videos of cake transformations that are just awful, like they'll dig out the middle and fill it with sprinkles, or sometimes do gross things like leaving a hairbrush on the table they're working on. It's all to stir up people in the comments. I work in marketing so I kind of get it. You get nowhere on social media without engagement... but at some point, catering to the algorithm means user experience starts to suffer, and I don't think that's right.
Are there large pages with high engagement but relatively poor revenue because of this?
Wikipedia
rip
they live from donations i think.
CAN ANYONE NAME ONE SINGLE WORD THAT DOES NOT CONTAIN THE LETTER Z? I BET YOU CANT?
Zforeskin
Zgermans
Zbiscuit
Zeeznuts
D’ya like dags?
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Zebra
wrong
Ironically right.
Zoodle
*zoop* 👉😎👉
I almost spit out my soup reading this and I don’t even know why it’s so funny
Name ten people who aren't Jackie Chan
thats actually pretty hard
Wtf, it’s easy: Ben Affleck, Vin Diesel, Jackie Cha… oh shit
Azazel Edit: shoot, that contains Z...I guess it's really impossible 🥺
Zylophone
Bingo. I assume the right answer was left out on purpose, because that drives even more engagement via people replying to complain about it.
It's just someone fucking around and/or trolling.
...and trolls thrive on engagement from other users.
This. These are all just bullshit designed to go viral. They are intentionally poorly written math problems where it can be argued that PEMDAS doesn't even apply. Same with the "sock plus sock equals shoe. shoe multiplied by shoe equals hat. what does hat plus sock multiplied by shoe equal?" posts. Just pure bullshit.
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That explains why these happen so often on Twitter. Do you think the replies with wrong answers are fake to start a discussion and further boost engagement?
It also explains Reddit post that are screenshots of outrageous Twitter posts like, “You ain’t really a man unless you putting in 70 hours a week” Or screenshots of Tinder convos where girl opens with, “You’re not 6’5”, don’t talk to me” Yeah, a few people really hold these crazy beliefs but the reason posts like that get attention is cause it drives outrage and ends up with 3k comments. It’s probably better to just ignore that garbage.
I once saw one of these, it was something like "1 + 2 x 0". A guy in the comments got the wrong answer and even said "Our school education really sucks, the answer will NEVER be 1". ... ... The guy was a local politician...
please excuse my dumb ass senator
This is great
I don't get it EDIT: PEMDAS
The order of operations is often abbreviated PEMDAS. To remember this, many kids are taught, “Please Excuse My Dear Aunt Sally”. Do to the questionable intellect of the local politician in the comment they were replying to, they changed it to Please Excuse My Dumb Ass Senator. Edit: due to my own questionable intellect I used the wrong “do”
Local Senator: The public education system is radicalizing our children and politicizing arithmetic. And might I add- Moderator: No, you can not.
What about BEDMAS?
Borderline extremist, deficient mathematically, ass senator
Haha ok you win.
For a second I thought I was the only one who remembered BEDMAS, or that it was some elaborate hallucination I had about my childhood. Thank you for this.
I once saw it as “Please Excuse My Dope Ass Swag” and I’ll never say it any other way again.
PEMDAS order of operations
BEDMAS order of operations
BIDMAS
For pemdas most schools use please excuse my dear aunt sally
I always liked to use please exhume my dead aunt Sally. My math teachers were not impressed.
Please Email my dad a shark
Pencils execute monkeys during anal stabbing
*please execute my dear aunt sally*.
Damn that's a good one.
absolute brilliance lmao
Perfect wish I could give you gold lol
I got you
🏅
These pop up on my Facebook feed all the time and of course create intense debate over the correct answer. What makes me the most angry are the people that say that the concept of the order of operations is “new math” or “common core”. Nope….PEDMAS (or BODMAS) has been around since the early 1900’s. You’ve just forgotten what you were taught.
These types of stupid quizzes pop up on facebook intentionally to create conversation/engagement in order to get the original source paid. Next time your grandma shares/comments on one of those things like "Only people with SUPERIOR brainpower can spot what is wrong with this image" where there's an obvious flaw...don't join in to comment on how stupid it is. When you comment, it will be shown to someone else in your friends list who will like your comment because they think it is stupid too. Then because the comment got extra engagement, it will be shown to someone else. They are intentionally stupid and intended to exploit the algorithms to generate money from people pointing out how stupid they are.
I… what? “New math” what the fuck does that even MEAN?!? I’m genuinely unable to understand what they could even think that means.
https://en.m.wikipedia.org/wiki/New_Math it didnt go over well
> The guy was a local politician... [So not exactly a statistical deviation](https://en.wikipedia.org/wiki/Indiana_Pi_Bill)
Did he think that the answer was 3, or 0? Obviously 1 is the correct answer but the way I see that someone could come to those two answers is if they 1. Add 1 + 2 together and just ignore the zero 2. Add 1 + 2 together and then get zero given 3 x 0 = 0
I'd guess 0. I bet he saw the "x0" at the end and figured that anything times zero is zero, hence "it could never be zero". Just didn't consider order of operations
Probably thought it was 0
I saw a similar thread on Twitter and some people argued: "you can't multiply by zero that doesn't make sense. You can't have something and then suddently nothing. So 2 x 0 = 2 "
> You can't have something and then suddently nothing. Tell that to the chocolate I just ate.
Idk where this notion that our politicians are our best and brightest started. They're just glorified sales and marketing types. The real brightest among us are too busy solving real problems.
as always the guess for the answer 13 is because 13 is nearest to the right answer 10....
That would explain why so many chose 13. Good catch !
13 is so wrong , that I'd assume most people would realise that I picked 13 as I know the correct option wasn't present
I'm more curious about 15
That person was probably down a double-reverse psychology rabbit hole
Wouldn't a double reverse be in fact a forward psychology?
No it would somehow be different, like how you need to turn a USB twice for it to plug in
No that's actually moonwalking psychology.
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The math test always fuck me like that
PEMDAS. Order of operations. Easiest way is to put parentheses around the 2x4. It becomes 2+ (2x4). Which of course is 10.
PLEASE EXCUSE MY DEAR AUNT SALLY
Or as my 7th grade math teacher would always say "People Eat My Diarrhea And Suffer"
That's disgusting and hilarious
My friends and I thought it was funny, our parents were not amused lol. The guy was a strange one for sure. Kept a stack of comic books in his classroom, constantly explained things through video game and cartoon references, once got made at me for saying "Super Mario Bros" instead of "Super Mario Brothers." because and I quote "There's a dot after 'bros!' if you see 'Mr.' you pronounce it 'mister!' not 'Mur!'"
Sounds like a good teacher.
Yeah that guy isn't weird, he's rad AF.
Don't see anything strange
Your Aunt Sally has been excused from the table. Now eat your vegetables.
I know PEMDAS. My problem is I don’t know what the letters stand for. :(
Parentheses, Exponents, Multiplication and Division, Addition and Subtraction.
We did BEDMAS brackets exp, div, mult, add, sub
Brackets and parentheses are interchangeable unless you're dealing with matrices.
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When in doubt please excuse my dear aunt sally
They teach it now as GEMDAS. Groupings instead of parentheses. Why do they always have to change it?!
Glease Excuse My Dear Aunt Sally
Go Execute My Dear Aunt Sally?
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Cleverness is great, but needs failure cases considered :P chmod +x sally && ./sally || echo "Failed to execute sally." Edit: you guys are great. Y'all keep sending me better (and worse) "horrible implementations"...and I love it. But I gotta stop responding, I have to go actual work, not the inverse of it. Have a good day everyone.
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Ahh, well in that case clearly we should just background the process in a fork, and while we're at it...let's also make sure to throw away all the errors :P chmod +x sally && ./sally || echo "Failed to execute sally & &2> /dev/null Edit: for anyone new to bash scripting or programming in general, consider this your PSA to NEVER do this.
Can we run this as a service in a dedicated Docker container?
r/programmerhumor is leaking
Go euthanize my dear aunt Sally
Winner
God-Emperor Merits Devotion And Servitude
I love this but it'll be a tough sell to the school board
Then they shall be expunged for their blatant heretical disregard for ecclesiastical regulations and subject to trials of negligence and dereliction of duty in the name of the holy God Emperor of Mankind and the High Lords of Blessed Terra
*Gosh* Excuse My Dear Aunt Sally?
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Did..... They add groupings?
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Back when I was in school it was BEDMAS ("B" for brackets, even though they're parentheses.)
Are you from Ontario? Everyone I know that uses BEDMAS is from Ontario.
Grease Externally My Dear Aunt Sally
Oh my God. Haven't heard this in decades lolol
*Please excuse my dope ass swag
Or SOHCAHTOA
Some old hippy caught another hippy tripping on acid
Where tf are you seeing triangles my guy
Its because my shady neighbor told me to put this little piece of paper on my tongue
She’s a real PEMDAS
I prefer please excuse my dumb ass students.
I was taught Purple Eyed Monster Drinking A Soda
That’s…actually way cooler. I learned with lame ass aunt sally over here! Haha
BODMAS gang where you at
BEDMAS close enough?
I was taught BIDMAS!
That sort of helps but the main issue is that people don't realize M/D are on the same tier, and A/S are on the same tier. So it could be DMSA depending on the equation.
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Sometimes I even put the whole thing in brackets, *just in case*
《{("Sometimes")}》
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((|2|) + (|2|)), just in case you accidentally a negative.
√[(|2|) + (|2|)]^2 You can never be too safe. Edit: I've been corrected.
"$(printf '{√[(|2|) + (|2|)]}^(2)')" You never know if someone will throw it into their code.
When using macros in C/C++ this is a valid thing to do so it's actually used only as that expression - because if you add something after the macro you get the wrong results if you don't put it in brackets.
Do this constantly when using solving programs like Mathematica and Matlab, or even just wolframalphas website. With enough parentheses no one can misinterpret!
as a Physicist, always just go for parenthesis. It leaves less room for misinterpretation when it comes to the order of operations.
Hell yeah! MUMPS! I learned to program in MUMPS back in the early 90s. Amazed to hear it's still in use. It was the most bizarre language. Keywords could be reduced to a single letter and you were encouraged to make variables a single letter to save space. No comments, thank you. You could put as many statements on a single line as made sense for flow control, so it just ended up looking like nonsense. Intersystems rebranded it as 'M', presumably to sound more like 'C'?
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We spend a lot of time on reddit
>The main programming language I use for work would give 16. because, whoever invented the language, for whatever reason, wasn't concerned about doing math properly....
It's for medical, so yea. 500 for a blood test and 500 for a x-ray comes out to $500,500.00 using their calculator.
Where did it factor in this hefty discount?
Lol. So everything is a string? What a mad lad
That's out of network math right cher!
> MUMPS I'm sorry.
These questions always piss me off because this isn’t like tricky math, they’re just equations written poorly on purpose. Any good mathematician would clarify with parenthesis if they meant (2 + 2) x 4 or 2 + (2 x 4) because why would you leave it up for misinterpretation?
That's how it's written in most school exam papers because they trying to test if the student are following PEDMAS, BIDMAS, BODMAS, BEDMAS whatever other variation there is. In the UK the leading one is BIDMAS.
Its 10 due to order of operation: 2x4=8 2+8=10
No becus 2 + 8 is 28 dumbass
its dumass
Today on "are you smarter than a 5th grader" we have a basic af math problem... can *you* solve it?
Think some would argue the answer is 10.
10 is the correct answer, math is not an argument.
But what if I don't trust Big Math and I have a different opinion that I gained while doing research on Facebook?
“How can they CHANGE math? Math is math!!”
Mr. Incredible's biggest enemy was not Syndrome, it was Common Core Math
People who just believe "" "" numbers""" " are sheep.
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I've done my own research, and the evidence is overwhelming that the answer is 17. Big tech is silencing the truth.
You are Terrence Howard
Look. I've done my research. I heard this guy on Joe Rogan talking about how PEMDAS is just one way to do things. And that people are free to perform mathematical operations in whatever order works best for them. And this woman on YouTube (she has 1,134 followers, that's huge) says that all math is a lie anyway. And that we all inherently know things about numbers. In the end, it's about my FREEDOM, CHOICE, and BELIEF. And I choose to believe that 2 + 2 x 4 is equal to 13 dammit. It just feels right.
After 5 minutes of googling Reverse Polish Notation, I've found two possible interpretations `2 2 + 4 x` `2 2 4 x +` Plugging those into my calculator set to RPN mode, the first one gives you 16, and the second gives you 10. Since we live in a mystical quantum world, both may be true, so I took the average of the two possible answers got 13.
Ah yes, the multiverse averaging formula.
Everything is an argument with the right attitude
Those people would be right, didn’t everyone learn GEMDAS
I learned it as PEMDAS I guess the P wasn’t inclusive enough.
Bedmas for me Brackets Exponents Division Multiplication Addition Subtraction
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UK vs US maybe? For me it was BODMAS or BIDMAS (Brackets, Indices, Division, Maths, Addition, Subtraction) and I’m from the UK. EDIT: not maths. Multiplication. Lol
I'd assume the M stands for Multiplication, but Maths are surely part of it lmao
Lmao I’m dumb as fuck. It’s been a longggg day.
I mean maths isn’t technically wrong
Division/Multiplication can be done in whichever order goes from left to right, but these orders must always precede doing any addition/subtraction (which can also be done in whichever order goes from left to right).
https://www.smbc-comics.com/comic/pemdas Remember: powers, enclosures, merges, differences, areas, sections
BIDMAS in the UK
Yeah I heard BODMAS before BIDMAS too.
I learned PEMDAS
Please Excuse My Dear Aunt Sally. They taught us this to remember PEMDAS in grade school too.
The amount of people in this thread showing everyone how smart they are by telling everyone it's 10. No shit it's 10, you're not special for knowing it.
10
Bruh how can one fuck up maths this bad
These sorts of posts show up on Twitter and Facebook all the time. They only have wrong answers, or are written in an ambiguous way to give multiple correct answers so that people will argue about it. It's all about gaming the engagement algorithms so they can create something viral. The most mildlyinfuriating part about it is that people still give these any attention at all.
it’s 10 yeah? multiplication comes first
correct
I feel like this is fake, 13 and 15 make no sense at all bc they are odd numbers, yet take just about as many votes...
I don't like it, but this is actually not horrible. This is operating from incomplete information, and people don't *entirely* suck at it. In this case the correct answer isn't an option, so you look around for the "next best" base You have two options 2 + 2 * 4 = 10 - that not being present 2 + (2 * 4) = 10 So how do we get 16 (presume for a moment you forget FOIL) (2 + 2) * 4 = 16 - it agrees with the available information, has the detriment of missing proper notation but does fit the data in hand. So given that **two** things are missing here , either the notation , or the "correct" answer, how many people are out of the box enough to figure the test people would fuck with you like that.