Question

Simplify: [(-4/5)-²]-²​

Answer 1

Step-by-step explanation:

$(( { - \frac{4}{5}) }^{ - 2} ) {}^{ - 2} \\ \\ = ( { - \frac{4}{5}) }^{ - 2 \times ( - 2)} \\ \\ = ( - \frac{4}{5} ) {}^{4} \\ \\ \\ using \: \: formula \: ({x}^{m} ) {}^{n} = {x}^{m \times n}$