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Old 04-21-2011, 02:43 PM   #1
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Default Math question(simple)

482(9+3) = ?
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Old 04-21-2011, 03:32 PM   #2
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Default Re: Math question(simple)

I'm saying 288. So's Matlab.

That said, the notation is awful... it proves a point but this is the reason why you never see the sign in "proper" equations and brackets exist for a reason! While there is a "right" answer to this, I think it shows that if it looks ambiguous, put brackets...
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Old 04-21-2011, 04:06 PM   #3
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Default Re: Math question(simple)

Order of Operations

Some might argue that the multiplication 2(9+3) should happen before the division preceding it (result of the total equation would therefore be 2), but that is incorrect.

288 is the correct answer.
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Old 04-21-2011, 04:51 PM   #4
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Default Re: Math question(simple)

PEMDAS
Parentheses
Exponent
Multiply
Divide
Add
Subtract


The Correct Answer Is 288
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Old 04-21-2011, 06:18 PM   #5
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Default Re: Math question(simple)

288 is the correct answer. Someone posted this on another forum and they are still arguing over there about whether it's 2 or 288.
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Old 04-21-2011, 06:20 PM   #6
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Default Re: Math question(simple)

Quote:
288 is the correct answer. Someone posted this on another forum and they are still arguing over there about whether it's 2 or 288.
It seems like a moot point to me - the fact that it's causing so much controversy shows the main point - in situations like this, use brackets to show exactly what you mean otherwise people will get confused!
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Old 04-21-2011, 06:29 PM   #7
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Default Re: Math question(simple)

when I type this into my phone as it appears here, 482(9+3). it automatically inserts the 'multiplication' symbol, 482x(9+3). and answers 288.
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Old 04-21-2011, 06:36 PM   #8
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Default Re: Math question(simple)

Well, that's why we have the orders of operations. Part of the problem is that many of us were taught in school that multiplication has higher priority over division, but that is incorrect: Division is merely multiplication of the reciprocal of the number, so it carries the same weight, as it were, as multiplication.

On the same token, subtraction is the addition of a negative number.
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Old 04-21-2011, 08:09 PM   #9
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Default Re: Math question(simple)

Quote:
Originally Posted by Dngrsone View Post
Well, that's why we have the orders of operations. Part of the problem is that many of us were taught in school that multiplication has higher priority over division, but that is incorrect: Division is merely multiplication of the reciprocal of the number, so it carries the same weight, as it were, as multiplication.

On the same token, subtraction is the addition of a negative number.
Exactly, that's why people were getting 2 I think. Apparently what I posted is sweeping the internet as a controversial topic. I thought you guys would all get it right though, haha.
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Old 04-21-2011, 08:23 PM   #10
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Default Re: Math question(simple)

Knowing your major I figured this would be a crazy difficult question. If I can solve it, I'd think anybody could - I suck at math (But got the right answer).
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