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#1 2007-09-17 05:56:48

Identity
Member
Registered: 2007-04-18
Posts: 934

finding the digits in a number

Edit: oh geeze, i don't believe it, log(10)=1 doesn't it roll u can delete this thread if you want

Proposition: If

is an n digit number, 

Proof: In the decimal expansion of a:

If

, we can say

By a property of the floor function,

What did I do wrong?

Last edited by Identity (2007-09-17 06:02:56)

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