Which expression is equivalent to 5y^-3? A. 1/125y^3 B. 1/5y^3 C. 5/y^3 D. 125/y^3
QUESTION POSTED AT 01/06/2020 - 04:16 PM
QUESTION POSTED AT 01/06/2020 - 04:16 PM
Answer
5/y³
Explanation
Which expression is equivalent to 5y⁻³
A negative power means that that number is in the denominator.
For example, a⁻¹ = 1/a
x⁻³ = 1/x³
∴ 5y⁻³ = 5/y³
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