Question

Please Help me to solve question number 7 please please please it is important and please click a photograph of your solution.

Answer 1

${ - 8}^{ - 3} = \frac{1}{ { - 8}^{3} } \\ \frac{1}{ { - 8}^{3} } \times x = \frac{1}{64} \\ \frac{1}{ { - 8}^{3} } \times x = \frac{1}{ {8}^{2} } \\ x = \frac{ { - 8}^{3} }{ {8}^{2} } \\ x = - 8 \\ so \: - 8 \: should \: multiplied \: to \: get \: \frac{1}{64}$