$${\left[{{\mathtt{m}}}^{{\mathtt{3}}}{\mathtt{\,\times\,}}{{\mathtt{n}}}^{{\mathtt{2}}}\right]}^{{\mathtt{2}}}$$
the answer is m6n4 (we have multiplied the powers of m and n to 2 )
so this is the answer Pumpkinguy ;m^6 n^4 !for a proof , check it in the calculator of this site !
Very nicely answered Rosala.
+380 
for a proof , check it in the calculator of this site !
