Answers: Choice A and choice C
Reason:
The general rule is that [tex]a^{-b} = \frac{1}{a^b}[/tex] which can be rewritten as [tex]a^{b} = \frac{1}{a^{-b}}[/tex]
This rule says that to make the exponent positive, we apply the reciprocal to the base.
Another example would be something like [tex]x^{-2} = \frac{1}{x^2}[/tex]
