Question

cat este egal 1/2 totul la puterea -2?

Answer 1

(1/2)^(-2)=((1/2)^(-1))^2=2^2=4

Answer 2

$\frac{1}{2} -^{2} = \frac{1}{ \frac{1}{2} ^{2} } = \frac{1}{ \frac{1}{4} } =1: \frac{1}{4} =4$