MATH HELP!!! (grade 7)
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MATH HELP!!! (grade 7)

[From: ] [author: ] [Date: 12-11-06] [Hit: ]
aaamath.com/est-dec-sum.......
How do you do estimating so you know if answers are reasonable with decimals?

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I usually round on 2 decimal places and that should be enough, but in some precise measurements you need more, if that is what you are asking.

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http://www.aaamath.com/est-dec-sum.htm

try here
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