Question

Rewrite the expression in the form yn

Answer 1

Answer:

y^-2 or 1/y²

Step-by-step explanation:

y^-1/2 * 4

y^-4/2

y^-2

Answer 2

Answer:

$y^{-2}$

Step-by-step explanation:

there is a rule that says

$(x^a)^b=x^{ab}$

so in our case

$(y^{\frac{-1}{2} })^4=y^{\frac{-4}{2} }=y^{-2}$

so that's our answer

$y^{-2}$