Question

qual e o calculo dessa potencia (-2 sobre 5)²

Answer 1

Hey, Samaraferreira32!

$( -\frac{2}{5})^2 = ( -\frac{2}{5}) . ( -\frac{2}{5}) = \frac{4}{25}$

Answer 2

$\left( \dfrac{-2}{5} \right)^2 \to~~~~ \dfrac{(-2)^2}{5^2} \to~~~~ \boxed{ \frac{4}{25} }$