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7-4 Properties of Logarithms Warm Up Lesson Presentation Lesson ...

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Evaluate log 32 8.<br />

Example 9 Continued<br />

Method 2 Change to base 2, because both 32<br />

and 8 are powers <strong>of</strong> 2.<br />

log 32 8 =<br />

= 0.6<br />

log 2 8<br />

log 2 32<br />

= 3<br />

5<br />

Use a calculator.

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