Answer:
y^2
Explanation:
(y x y^1/3)^3/2 would be clearer if written as
(y*y^(1/3))^(3/2).
Because y^a*y^b = y^(a + b), the quantity inside the first set of parentheses becomes
y^(4/3)
and if we apply the power (3/2) to this result, we get:
4 3
(y^(4/3))^(3/2) = y^{ ----- * ----- ) = y^2
3 2