The given expression is
8xy^3/2x^2y
To simplify the expression, we would apply the law of exponents which is expressed as
a^b/a^c = a^(b - c)
Thus, we have
8/4 * x^(1 - 2) * y^(3 - 1)
= 2 * x^-1 * y^2
= 2x^-1y^2
If we reverse it, it becomes
2y^2/x
