Respuesta :

CSMedrano

Answer:

[tex]y^{-2}[/tex]

Step-by-step explanation:

there is a rule that says

[tex](x^a)^b=x^{ab}[/tex]

so in our case

[tex](y^{\frac{-1}{2} })^4=y^{\frac{-4}{2} }=y^{-2}[/tex]

so that's our answer

[tex]y^{-2}[/tex]

hdjdjsjdj81

Answer:

y^-2 or 1/y²

Step-by-step explanation:

y^-1/2 * 4

y^-4/2

y^-2

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