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swim · 07-30-2010, 07:55 AM

You can find the sum of geometric series that converge. Thus you can find the sum or rational form of a repeating decimal. By using n/(1-r)

.9/(1-.1)=.9/.9=1

I'm a math major
this is fact
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07-30-2010, 07:55 AM	#27 (permalink)
swim dontcareaboutyou Join Date: Apr 2006 Location: North Carolina Posts: 5,145	You can find the sum of geometric series that converge. Thus you can find the sum or rational form of a repeating decimal. By using n/(1-r) .9/(1-.1)=.9/.9=1 I'm a math major this is fact close thread __________________ http://nakednaps.bandcamp.com/