Question

cat este 1 supra 4 la puterea -2?

Answer 1

$\frac{1}{ 4^{-2} } = \frac{1}{ \frac{1}{ 4^{2} } } = 1* 4^{2} = 4^{2}=16$

Answer 2

$\frac{1}{\frac{1}{4}^{2}} = \frac{1}{ \frac{1}{16}} = 16$