Question

Помогите срочно!!!!!!

Answer 1

$(x^{-2})^{-3}*x^{-8}=x^{(-2)*(-3)}*x^{-8}=x^6*x^{-8}=x^{6+(-8)}=x^{-2}=$

$=( frac{1}{5})^{-2}=(5^{-1})^{-2}=5^{(-1)*(-2)}=5^2=25$