**Logarithms and their Properties plus Practice**
https://www.mcckc.edu/tutoring/docs/bt/exp_rad_log/Logarithms_and_Their_Properties.pdf

**LOGARITHMS AND THEIR PROPERTIES** Definition of a **logarithm**: If and is a constant , then if and only if . In the equation is referred to as the **logarithm**, is the base , and is the argument. The notation is read “the **logarithm** (or log) base of .” The definition of a **logarithm** indicates that a **logarithm** is an exponent.

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