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4 votes
Evaluate 5^-3a.-15b.1/125c.-1/125d. -125

User Wegged
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1 Answer

6 votes

Answer:

B. 1/125

Step-by-step explanation:

Given the expression:


5^(-3)

First, apply the negative index law of indices:


=(1)/(5^3)

Next, evaluate the exponent.


\begin{gathered} =(1)/(5*5*5) \\ =(1)/(125) \end{gathered}

The correct choice is B.

User Mihir Shah
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8.1k points