Evaluate Log with Exponent

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Taught by mrbrianmclogan
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Part of video series
Meets NCTM Standards:
Lesson Summary:

In this lesson, we learn how to evaluate a logarithm with an exponent without using a calculator. By remembering the properties of logarithms, we can rewrite the problem and then use the definition of a logarithm to solve it. This is a useful skill for those working with logarithms in math and science.

Lesson Description:

Evaluate a simple log with an exponent

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Questions answered by this video:
  • Evaluate (i) log 25^3.5 (base 5) (ii) log 216^1.4 (base 6 )