Упростите выражение: - (2/3x^2y^2)^4 * (-2 1/4xy^3)^3

Question

Упростите выражение:
- (2/3x^2y^2)^4 * (-2 1/4xy^3)^3

Answer 1

-(2/3х^2у^2)^4*(-9/4ху^3)^3=
=16/81х^8у^8*81/16*9/4х^3у^9=
=9/4х^11у^16