Logarithm question

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Logarithm question

Postby Allison Morgan » Tue Mar 09, 2004 11:37 am

I am having trouble converting logarithms to conventional notation...Here is an example- I need to find the common (i.e., base-10) logarithm of a number 0.0001 and for the life of me, I cannot figure this out..Please help!!!!!!
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Re: Logarithm question

Postby Knight » Thu Mar 11, 2004 2:45 am

Allison Morgan wrote:I am having trouble converting logarithms to conventional notation...Here is an example- I need to find the common (i.e., base-10) logarithm of a number 0.0001 and for the life of me, I cannot figure this out..Please help!!!!!!


LOG(0.0001) = -4

Just as LOG(10000) = 4

A logarithm with a negative number represents a number less than one. (But, of course, greater than 0)

consider:

0.0001 = 1 x 10^-4

10000 = 1 x 10^+4
William J. Knight
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Los Alamos National Labs
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Re: Logarithm question

Postby Emilie » Wed Nov 09, 2005 6:28 am

THANK YOU!!!! YOU HELPED Me
Emilie
 


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