Question

Consider the expression

Answer 1

Answer:

second one

Step-by-step explanation:

Answer 2

Answer:

3rd One

Step-by-step explanation:

xy^-2= x^-2 y^-2

Anything raised to the negative power can be modeled as $a^{-x} = \frac{1}{a^{x} }$

solve for the lower one and you will get the third answer.

Hope this helps.