of the following which is greatest,
1/5^-2
1/3^-2
3^-2
5^-2
2^3
gmat prep question
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- ajith
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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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