Question 185694
Simplify the expression 
(256x^4 y)^1/4 divided by (625xy^3)^3/4 
------------------
(4xy^(1/4)) / (5x^(3/4)y^(9/4))

= (4/5)(x^(1/4)/y^2)

= (4x^(1/4)/(5y^2)
=======================
Cheers,
Stan H.