tolong sederhanakan yah

1. (xy^2)^3 = x^3 y^6


2. (5x^2y)y^9
-------------------
(7x^5)x^3y^2

= 5x^2 y^10
-----------------
7 x^8 y^2

= 5 x^2-8 y^10-2
------------------------
7

= 5 x^-6 y^8
-----------------
7