Use a Change of Base Formula to Evaluate the Given $\log _ { 5 } x = - 3$

question 101

Multiple Choice

Use a change of base formula to evaluate the given logarithm. Approximate to three decimal places.
- $\log _ { 5 } x = - 3$

• A) -15
• B) \(\frac { 1 } { 125 }\)
• C) 2
• D) \(\frac { 1 } { 243 }\).

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