Use the Properties of Logarithms to Find the Exact Value $\log _ { 4 } 21 \cdot \log _ { 21 } 64$

question 354

Multiple Choice

Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.
- $\log _ { 4 } 21 \cdot \log _ { 21 } 64$

• A) 21
• B) 4
• C) 64
• D) 3

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Definitions:

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