Question 379281
{{{(-7xy^2)/(28x^5y) =-(7/28)x^(1-5)y^(2-1)}}}
{{{(-7xy^2)/(28x^5y) =-(1/4)x^(-4)y^(1)}}}
{{{(-7xy^2)/(28x^5y) =-(y)/(4x^4)}}}