Question

Calcule o valor das potências

Answer 1

$a) {10}^{ - 2} = \frac{1}{ {10}^{2} } = \frac{1}{100}$
$b)( - 2) ^{ - 2} = ( - \frac{1}{ 2} ) ^{2} = \frac{1}{4}$
$c)( \frac{3}{4} ) ^{ - 3} = ( \frac{4}{3} ) ^{3} = \frac{64}{27}$