Question 260906
Step 1 - reduce 6 and 3 to get
{{{ (2mn^-2/ m^-1n^2)^-3 }}}
step 2 - apply the power rule and we get
{{{ (2^(-3)m^(-3)n^(6)/ m^(3)n^(-6)) }}}
step 3- bring the 2 and m down and the n up to get
{{{ (n^(12)/ 2^(3)m^(6)) }}}
and we are done.