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07-30-2010, 07:55 AM | #24 (permalink) |
dontcareaboutyou
Join Date: Apr 2006
Location: North Carolina
Posts: 5,188
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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
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