Question

Chapter:- Exponent

Evaluate

(i)
$3 ^{ - 2}$
(ii)
$( - 4) ^{ - 2}$
(iii)

$(\frac{1}{2} ) ^{ - 5}$


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Answer 1

Step-by-step explanation:

$(i) \: \: {3}^{ - 2} = \frac{1}{ {3}^{2} } = \frac{1}{9} \\ (ii) \: \: { - 4}^{ - 2} = \frac{1}{ { - 4}^{2} } = \frac{1}{16} \\ (iii) \: \: \frac{1}{ {2}^{ - 5} } = {2}^{5} = 32$

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