Question 932554
{{{((x^(-4)y^(-6))/(x^(-2)y^3))^(-2/3)=(x^(-4-(-2))y^(-6-3))^(-2/3)}}}
{{{((x^(-4)y^(-6))/(x^(-2)y^3))^(-2/3)=(x^(-4+2)y^(-9))^(-2/3)}}}
{{{((x^(-4)y^(-6))/(x^(-2)y^3))^(-2/3)=(x^(-2)y^(-9))^(-2/3)}}}
{{{((x^(-4)y^(-6))/(x^(-2)y^3))^(-2/3)=x^(4/3)y^(6)}}}