Logarithm Rules

logarithm  The logarithm whose base is 10 is called the Common logarithm It is basically how many 10 must be multiplied to get a given number It is denoted as log 10 or Even though technically that is correct as an exponential, as a logarithm it is undefined You cannot have a negative base in a logarithm, and here is why: Keep

The logarithm to a base number of a quantity is equal to the reciprocal of the log of the base number with the earlier quantity taken as the new LOGARITHM definition: 1 the number that shows how many times a number, called the base, has to be multiplied by itself… Learn more

Using the logarithm table, Calculate the characteristic, which is determined by the whole number part of the given number Calculate the mantissa, which is MATH REVIEW: USEFUL MATH FOR EVERYONE · log 100 = 2 because · 102 = 100 This is an example of a base-ten logarithm · log2 8 = 3 because · 23 = 8 In general