Question

Quanto é (1/3)^10 . (1/3)^10 : (1/3)^22

Answer 1

$\frac{(\frac{1}{3})^{10}.(\frac{1}{3})^{10}}{(\frac{1}{3})^{22}}=(\frac{1}{3})^{10+10-22}=(\frac{1}{3})^{-2}=3^2=9$