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Q1. Evaluate.

(i) $3^{-2}$

Answers (1)

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The detailed explanation for the above-written question is as follows,

We know that,

$a^{-m}=\frac{1}{a^{m}}$

So, here m =2 and a = 3

$3^{-2}=\frac{1}{3^{2}} = \frac{1}{3}\times \frac{1}{3} = \frac{1}{9}$

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