Question

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Answer 1

Answer:

(iii)

${( - 3)}^{ - 2}= {( \frac{1}{ - 3} )}^{2}$

$= \frac{1}{9}$

(iv)

${ (\frac{1}{4}) }^{ - 2} = {(4)}^{2}$

$= 16$

Answer 2

Answer:

Explanation:

〖-3〗^(-2)

a^(-n)=(1/a)^n

(1/3)²

1/9

〖1/4〗^(-1)

a^(-n)=(1/a)^n

4

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BY Tolety roshan