Question

Valor da potencia : 1/5 ²

Answer 1

$\displaystyle \left(\frac{a}{b}\right)^c=\frac{a^c}{b^c}$
usando essa propriedade:
$\displaystyle \left(\frac{1}{5}\right)^2=\frac{1^2}{5^2}=\boxed{\frac{1}{25}}$