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logarithm. The logarithm of 10000 with base 10 is 4 4 is the exponent to which 10 must be raised to produce 10000. Logarithms are the opposite of exponentials just as subtraction is the opposite of addition and division is the opposite of multiplication.
In this case you could translate it as ratio or proportion. Adding or taking away logarithms can replace multiplying or dividing large numbers. In the same fashion since 10 2 100 then 2 log 10 100.
It is also known as the decimal logarithm the decadic logarithm the standard logarithm or the Briggsian logarithm named after Henry Briggs an English mathematician who developed its use.
For example 2 3 8. Therefore 3 is the logarithm of 8 to base 2 or 3 log 2 8. For example 2 3 8. Log 10 10000 4 is called the logarithmic form.