A logarithm can be de ned as follows. Divide these values by one another. 1 Divide 25 by the nearest power of 10.
Log b x log c x log c b Logarithm - logx.
Divide these values by one another. This method takes a lot of time but it will give an accurate answer. A logarithmic scale from 01 to 100. Log b x y log b x log b y Logarithm quotient rule.