Question

Using the law of exponents, identify the first step in simplifying the expression. (-2 x 5)^-3

Answer 1

Yes, that's how it's written :) but, what is the first step to solve?

Answer 2

$$\Huge a^{-n}=\frac{1}{a^n}$$

Answer 3

Have you seen this definition before?

Answer 4

No