7-4 Properties of Logarithms Warm Up Lesson Presentation Lesson ...
7-4 Properties of Logarithms Warm Up Lesson Presentation Lesson ...
7-4 Properties of Logarithms Warm Up Lesson Presentation Lesson ...
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Example 3: Subtracting <strong>Logarithms</strong><br />
Express log 5 100 – log 5 4 as a single logarithm.<br />
Simplify, if possible.<br />
log 5 100 – log 5 4<br />
log 5 (100 ÷ 4)<br />
log 5 25<br />
2<br />
To subtract the logarithms,<br />
divide the numbers.<br />
Simplify.<br />
Think: 5 ? = 25.