Respuesta :

tristanreid6ggf

Answer:

A

Step-by-step explanation:

i am pretty sure its A because on the top one their is one negative and all of the other one are positive.

alrubehz

Answer:

None of them is right, the right answer is y^2/ x^10

Step-by-step explanation:

(xy^3/x^-4 y^4)^-2

= y^8/x^10 y^6

= y^2/ x^10