Respuesta :

Answer:

-1/8

Step-by-step explanation:

The given expression is y⁻³

We want to find the value of the expression when y = -2

Thus;

At y = -2, we have; -2⁻³

According to law of exponents, x⁻⁴ = 1/x⁴

Thus; -2⁻³ = -1/2³ = -1/8

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