simplify. express answer with positive exponents only. (-2x^-5y^4z^2)-3

Answer 1

(-2x^-5y^4z^2)^-3
multiply all the exponents by -3 to get

-2^-3 x^15 y^-12 z^-6
-x^15/(8 y^12 z^6)

Answer 2

Xto the 5th power next to Xto the negative 3 power?

Answer 3

(3xy-2)2
x3