Question

Calcule as Potencias :
a)10 ^{-2}

B)(-2)^-2

Answer 1

a-)
$10^{-2} = \frac{1}{ 10^{2} } = \frac{1}{100}$

b-)

$-2^{-2} = - \frac{1}{ 2^{2}} = [tex]- \frac{1}{4}$