5 number 2s must be multiplied to obtain the number 32. 1 Divide 25 by the nearest power of 10. Log b x y log b x log b y EX.
Basic Log Rules When the argument of a logarithm is the product of two numerals the logarithm can be re-written as the addition of the logarithm of each of the numerals.
On most calculators you obtain the log or ln of a number by entering the number then pressing the log or ln button. Log 1 10 log 1 log 10 0 1 1. The logarithm of 32 with base 2 is 5 or log base 2 of 32 is 5. The base argument defaults to 10 if not supplied.