Answer:
None of them is right, the right answer is y^2/ x^10
Explanation:
(xy^3/x^-4 y^4)^-2
= y^8/x^10 y^6
= y^2/ x^10
A
i am pretty sure its A because on the top one their is one negative and all of the other one are positive.
5.6m questions
7.3m answers