Question

Rewrite the expression in the form yn

Answer 1

y^-2 or 1/y²

Explanation:

y^-1/2 * 4

y^-4/2

y^-2

Answer 2

`y^(-2)`

Explanation:

there is a rule that says

`(x^a)^b=x^(ab)`

so in our case

`(y^{(-1)/(2) })^4=y^{(-4)/(2) }=y^(-2)`

so that's our answer

`y^(-2)`