Answer:
OPTION D
Step-by-step explanation:
We have the following rule.
[tex]$ a^{-b} = \frac{1}{a^b} $[/tex]
Using this, we can easily say the answer is OPTION D.
That is, we can write [tex]$ y^{-3} $[/tex] as [tex]$ \frac{1}{y^3} $[/tex].
So, OPTION D is the answer.
