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Monday, June 25, 2012

What Is A logarithm?


What Is A logarithm?

A logarithm is the power
that you need to raise a base to
in order to generate a number

 

number = basepower that you need on the base to get the number
number = baselogarithm
number = basepower
EXAMPLE
number = basepower
number = (100)
base = (10)
(100) = (10)power
but
(100) = (10)2
so
the log of 100 in base 10 is 2
log10100 = 2

REMEMBER - Exponent Form
number = basepower

REMEMBER - Logarithmic Form
logbasenumber = power

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