Question

4) (-5)^-2
k)-5 ^-2=


alguém sabe resolver isso???​

Answer 1

Resposta:

$(-5)^{-2} =-(\frac{1}{5})^{2} =+\frac{1}{25} \\ \\ 5^{-2} =(\frac{1}{5})^{2} =+\frac{1}{25}$