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15.1

What is a logarithm?

15.2

Converting from logarithmic form to exponential form

15.3

Evaluating logarithms without a calculator

15.4

Common logarithms

15.5

Evaluating logarithms using change-of-base formula

15.6

Natural log: ln

15.7

Converting from exponential form to logarithmic form

15.8

Product law of logarithms

15.9

Logarithmic scale: Richter scale (earthquake)

15.10

Logarithmic scale: pH scale

15.11

Logarithmic scale: dB scale

15.12

Finance: Future value and present value

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We have 3125 practice questions in Algebra 2 for you to work through.

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