Question

(x^8y^-4)^-1/4, divided by 16y^4/3

Answer 1

What do you want to do ? Simplification ?
Also, is this your equation ? \[\frac{(x^{8}.y^{-4})^{-1/4}}{10y^{4/3}}\]

Answer 2

1/16*(x^2y^7/3)^-1

Answer 3

Amend as necessary

http://www.wolframalpha.com/input/?i=%28x^8*y^-4%29^-1%2F4+%2F+%28%2816y^%284%2F3%29%29&asynchronous=false&equal=Submit