Question

Cat face 3 la puterea -2?

Answer 1

$3^{-2}=(\frac{1}{3})^{2}=\frac{1^{2}}{3^{2}}=\frac{1}{9}$

Answer 2

$3^{-2} = ( \frac{1}{3} )^{2} = \frac{1}{9}$