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Simplify [(1/5) ^-3 - (1/3)^-2 ÷ (1/2) ^-3]. Please reply as fast as you can?

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Answer: We have , 

\Rightarrow [(1/5)^-3-(1/3)^-2]/(1/2)^-3

We know , 1/a^m=a^-m

\Rightarrow [5^3-3^2]/2^3=29/2

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Deependra Verma

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