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gmat prep question

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by Kuba » Thu Apr 12, 2007 6:26 pm
A - 25
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Re: gmat prep question

by ajith » Thu Apr 12, 2007 8:56 pm
yvonne12 wrote:of the following which is greatest,

1/5^-2
1/3^-2
3^-2
5^-2
2^3

a^-1 = 1/a
a^-2= 1/a^2 ... etc etc


So 1/5^-2=25
1/3^-2=9
3^-2=1/9
5^-2=1/25
2^3=8
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by jaspetrovic » Fri Apr 13, 2007 8:17 am
A is the answer.
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by Cybermusings » Sat Apr 14, 2007 2:51 am
It would be A!
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