Choose the correct table. Log b x y log b x - log b y Logarithm power rule. 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.
Find the logarithm with base 10 of number 2.
1 Divide 25 by the nearest power of 10. It represents the exponent or power to which the base often 10 but sometimes 2 or another number must be raised to get the number that is in the argument of the log expression. To find the logarithm of a number other than a power of 10 you need to use your scientific calculator or pull out a logarithm table if they still exist. In mathematics the log is the inverse operation to exponentiation just as division is the inverse of multiplicat.