Question

3 to the power minus 7 / 3 to the power minus 4

Answer 1

$\frac{ {3}^{ - 7} }{ {3}^{ - 4} } \\ = {3}^{ - 7 + 4} \\ = {3}^{ - 3 } \\ or \\ = \frac{1}{ {3}^{3} } \\ = \frac{1}{27}$