Question

O valor de (-1/3)^7 : (-1/3) ^9 é: ​

Answer 1

$(-\frac{1}{3})^7:(-\frac{1}{3})^9=$

$(-\frac{1}{3})^{7-9}=$

$(-\frac{1}{3})^{-2}=$

$(-3)^2=$

$9$