👉 Learn how to evaluate logarithm expressions. Recall that the logarithm of a number, say a, to the base of another number, say b, is a number, say n, which when raised as a power of b gives a. (i.e.

What they are: A logarithm is the exponent you raise a base to in order to get a number, acting as the inverse of exponentiation. Why they matter: They simplify multiplication, division, and roots ...