Question

2x^2y*(-3x^3y)^3

^ - степень

Answer 1

Свойство степеней:
$1),, x^ycdot x^z=x^{y+z}\ 2),,(x^y)^z=x^{yz}$

$2x^2ycdot (-3x^3y)^3=2x^2ycdot (-27x^9y^3)=-54x^{11}y^4$