Answer :

lisa12jk

Answer:

5/y^3

Step-by-step explanation:

The equivalent expression of 5y⁻³ is 5 / y³

How find an equivalent expression of an expression?

Using law of indices,

a⁻ⁿ = 1 / aⁿ

Therefore,

5y⁻³

y⁻³  = 1 / y³

Hence,

5y⁻³ = 5 × 1 / y³

5 × 1 / y³ = 5 / y³

learn more on equivalent expression here: https://brainly.com/question/12613531

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