(-a^min3)^3 (-2v^3)^4

[tex] (({a})^{ - 3} ) ^{3} ( ({ - 2})^{3} ) {}^{4} \\ = ({(a)}^{ - 9} )( { - 2})^{12} \\ = \frac{1}{ {a}^{9} } \times 4096 \\ = \frac{4096}{ {a}^{9} } [/tex]