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 Sup I need help with exponents

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panoramic
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PostSubject: Sup I need help with exponents   Sat Jun 15, 2013 3:18 pm

So everything's all fine and dandy, right? Until I stumble upon this gem:

(6/5) x (-2/3 + 8/3)2 - 5/12

so how do I go about solving the one in the middle? please and thank C:


Last edited by panoramic on Sat Jun 15, 2013 10:40 pm; edited 2 times in total
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Crispy Bacon
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PostSubject: Re: Sup I need help with exponents   Sat Jun 15, 2013 6:00 pm

bedmas right???

(-2/3 x 8/2)2 = (-8/3)2
(-2/3 x 8/2)2 = 64/9

??? i think??? oTL


Last edited by Crispy Bacon on Sat Jun 15, 2013 11:05 pm; edited 1 time in total
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PostSubject: Re: Sup I need help with exponents   Sat Jun 15, 2013 7:24 pm

hahah edit sorry it was supposed to be added not multiplied
still dont get it tho
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PostSubject: Re: Sup I need help with exponents   Sat Jun 15, 2013 7:37 pm

I'm pretty sure exponents are the same with fractions as they are with whole numbers, so you just multiply the fraction by itself however many times. The answer I got looks really wrong though. WHERE ARE ALL THE MATH NERDS OF CHB? :U

(-2/3 + 8/2)2 = (10/3)2
(-2/3 + 8/2)2 = (10/3)(10/3)
(-2/3 + 8/2)2 = (100/9)


Last edited by Crispy Bacon on Sat Jun 15, 2013 11:06 pm; edited 1 time in total
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PostSubject: Re: Sup I need help with exponents   Sat Jun 15, 2013 10:50 pm

crap i made another mistake like it's actually supposed to be 8/3
oh and uh 

when adding fractions, you're supposed to find the common denominator. And (-2/3 + 8/3)2 would already have the same denominators.
So I add those babies up, right? And get (-6/3)2, and then get the answer of 39/9

(6/5) x 36/9 - 5/12 I end up with that. But according to the answer page, the result i get with that is actually incorrect, as it says it's 4(23/60) 8/
SO I don't KNOW
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PostSubject: Re: Sup I need help with exponents   Sat Jun 15, 2013 11:09 pm

I have no idea. It looks right to me


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PostSubject: Re: Sup I need help with exponents   Sat Jun 15, 2013 11:22 pm

(-2/3 + 8/3)2 = (6/3)2 or 22
(-2/3 + 8/2)2 = 4

(6/5) x 4 - 5/12 = 24/5 - 5/12
(6/5) x 4 - 5/12 = 288/60 - 25/60
(6/5) x 4 - 5/12 = 263/60 or 4 23/60
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PostSubject: Re: Sup I need help with exponents   Mon Feb 17, 2014 12:27 pm

Ugh, I hate doing math but sadly I know all this stuff  Crying or Very sad Ok, anyway, I dunno how to do the exponent thingy, so just pretend that the numbers are supposed to be exponents are exponents ^^


(-2/3+8/3)2=(2)2=4


It looks like you don't understand exponents. So let's say there's a 4 with the little exponent thingy of 5. You do 4 times itself, 5 times, so the answer would be 4x4x4x4x4, which equals 1024(I needed a calculator for that; my little brain can't do this mental math. JK, I could do it but ughh).
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PostSubject: Re: Sup I need help with exponents   Mon Feb 17, 2014 12:53 pm

YO ANNIIIEEE

Thanks for the math help, but this topic was created in June. It's extremely old and I'm pretty sure Anna has moved on to other assignments. Please don't post in topics if you see an old date at the top >_<

Thank you!


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PostSubject: Re: Sup I need help with exponents   Mon Feb 17, 2014 3:38 pm

Sorry, Bean! I'll have to be careful next time. Thanks for telling me!
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