Question

Quanto é (5/2)^-3 potenciacao?

Answer 1

$\left(\frac{5}{2}\right)^{-3}\\\\\left(\frac{5}{2}\right)^{-3}=\frac{1}{\left(\frac{5}{2}\right)^3}\\\\=\frac{1}{\left(\frac{5}{2}\right)^3}\\\\=\frac{1}{\frac{125}{8}}\\\\=\frac{8}{125}$