Question 133325
Given: {{{   1/2x^-2y^-3 }}}
To change to positive exponents:
{{{  x^2y^3/2 }}}

Given: {{{(2x^3y^2/3xy)^-3}}}
{{{((-8)x^-9y^-6/-27x^-3y^-3)}}}
{{{((8)/27x^6y^3)}}}