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#1 2014-07-07 21:07:08

burgess
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Registered: 2014-06-26
Posts: 49
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A problem on logorithms

Needed help to solve calculus 1 problem

How many number of digits present 5pow20, if log2 = 0.301?

What is the procedure to solve these kind of problems?

Thanks

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#2 2014-07-07 23:35:44

Agnishom
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From: Riemann Sphere
Registered: 2011-01-29
Posts: 21,577
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Re: A problem on logorithms

Digits in 5^20 = floor(log(5^20))+1= floor(20*log(5))+1

By the way, what is your favorite color?


'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
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#3 2014-07-21 23:01:40

burgess
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Registered: 2014-06-26
Posts: 49
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Re: A problem on logorithms

Hi Agnishom,
Thanks for your reply

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