Answer:
9/16 x^2y^3
Explanation:
(3x^2y^5)^3/(2xy^3)^4
= 3^2 x^6 y^15 / 2^4 x^4 y^12
=9/16 x^(6 - 4) y^(15 - 12)
= 9/16 x^2y^3
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