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# MBA.com GMATprep Quantitative #1

Author Message
Intern
Status: 4th attempt taking the GMAT
Joined: 20 Sep 2008
Posts: 15
Location: Chapel Hill
Schools: Fuqua

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22 Sep 2008, 16:12
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(8)^2(3)^2(2)^13
____________________

(96)^2

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Senior Manager
Joined: 09 Oct 2007
Posts: 459
Re: MBA.com GMATprep Quantitative #1 [#permalink]

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22 Sep 2008, 19:15
Whenever you see a problem like this, start by expressing everything in the same base:

Thus,
8^2*3^2*2^13 = (2^3)^2*3^2*2^13 = 2^6*2^13*3^2 = 2^19*3^2
and
(96)^2 = 2^5*3

Then simplify:
(2^19*3^2) / (2^5*3) = 2^14*3

Hope this helps.
Manager
Joined: 22 Sep 2008
Posts: 119
Re: MBA.com GMATprep Quantitative #1 [#permalink]

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23 Sep 2008, 07:46
Hi asdert

I think we have 96 ^2 not 96 ..

so we will get (2^5 * 3^1) ^ 2 => 2^10*3^2

so , 2^19*3^2 / 2^10*3^2 = 2 ^9

Thanks
Vishal Shah
Senior Manager
Joined: 09 Oct 2007
Posts: 459
Re: MBA.com GMATprep Quantitative #1 [#permalink]

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23 Sep 2008, 08:12
vr4indian wrote:
Hi asdert

I think we have 96 ^2 not 96 ..

so we will get (2^5 * 3^1) ^ 2 => 2^10*3^2

so , 2^19*3^2 / 2^10*3^2 = 2 ^9

Thanks
Vishal Shah

lol, and then, do your math carefully to avoid dumb mistakes :D

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Re: MBA.com GMATprep Quantitative #1   [#permalink] 23 Sep 2008, 08:12
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# MBA.com GMATprep Quantitative #1

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