Question

2
Evalute :
$( - 4) - ^ {2}$
​

Answer 1

$\tt{ {( - 4)}^{ - 2} }$

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

$\tt{ \large{ = \frac{1}{16} }}$

When there is a negative sign in the power , we will write the reciprocal of the number and give the positive power of it.

Consider this example : 2-² = 1/2²=1/4

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