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April 17th, 2012, 11:20 AM   #1
 
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What does decimal form mean?

Can anyone explain to me what this means and it would really help if you could show an example of a integer using the decimal form stated below:

Suppose that the integer n is given in decimal form, where for all i.

I guess I just don't understand the notation and seeing an example will really help.
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April 17th, 2012, 11:22 AM   #2
 
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Re: What does decimal form mean?

Quote:
Originally Posted by SlamDunk
fixed typo. Can't figure out how to edit posts =].
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April 17th, 2012, 11:47 AM   #3
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Re: What does decimal form mean?

When you write "316", the "3" means 300, the "1" means 10, and the "6" means 6. This can be written 316 = 3*10^2 + 1*10^1 + 6*10^0.
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April 17th, 2012, 02:38 PM   #4
 
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Re: What does decimal form mean?

That's what I thought it was talking about numbers in base 10 but do you have any idea why it is called decimal form? I thought decimals in base 10 would be :

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April 17th, 2012, 03:12 PM   #5
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Re: What does decimal form mean?

Decimal just refers to base 10 notation.
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April 19th, 2012, 03:07 AM   #6
 
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Re: What does decimal form mean?

Decimal notation refers to the base 10 notations.For eg:-

156=1*100+5*10+6=1*10^2+5*10^1+6*10^0

As you see the all numbers are multiplying to the 10 which have some power.This is decimal notation.
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