What is the simplified version of

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

and

(z^4)/(2z^3)

Thanks!

#1

(2x^(-3)y^(2))^(-2)
(2)^(-2) * x^(-3*(-2)) * y^(2*(-2))
(1/4) * x^(6) * (1/y^4)
(x^6)/(4y^4)

#2
(z^4)/(2z^3)
z/2

hope this helps~ :)