(3m^-3 n^4 )^-2/(3^2 m^-1 n^3)^1=

[tex]( {3m}^{ - 3} {n}^{ - 4} ){}^{ - 2} \div ( {3}^{ - 2} {m}^{ - 1} {n}^{3} ) = \\ {3m}^{6} {n}^{8} \div {3}^{ - 2} {m}^{ - 1} {n}^{3} = \\ {1}^{ 3} {m}^{7} {n}^{5} = {m}^{7} {n}^{5} \\ \\ \\ maaf \: kalau \: salah \: [/tex]