Question

(−1 / 3)^−3 × 30=
Помогите решить

Answer 1

=-27*30=-810
х^-n= 1/х^n

Answer 2

(−1 / 3)^−3 × 30=
=-(1/3)^-3*30=
=-30*(1/3)^-3=
-30*3^3=
=-30*27=-810!