You can use the definition of a logarithm to write exponential equations in logarithmic form.
What is the logarithmic form of each equation?
To what power do you raise 10 to get 100?
10 raised to the 2nd power equals 100.
Use the definition of logarithm.
If
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If
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Use the definition of logarithm.
If
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then |
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If
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then |
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You can use the exponential form to help you evaluate logarithms.
Multiple Choice What is the value of
How can you use the definition of logarithm to help you find the value of
If
Since 8
The correct answer is B.