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Module 25 Natural and common logarithms. Also use of change of base formula.
|Using your calculator for the next 5 slides solve the following basic problems. Round to nearest 4th decimal if necessary. log5||.6991|
|Change of Base formula.||If a, b, and C are positive real numbers and neither b nor c is 1. Then, LOG b of a = Log c of a/log c of b|
|Examples: Log(base4) of 9=||Log(base)10 of 9 / log(base)10 of 4 =1.5851|
|Log(base)20 of 15||log(base)10 of 15/ log(base)10 of 20 =.9040|