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Just trying to understand the use of commas and parenthesis in the answers.Thanks
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Cynthia121

by Cynthia121 at August 28, 2010

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You're welcome.

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Stoichiometry

Stoichiometry August 28, 2010

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Your welcome, buddy!

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ChromeRedCat

ChromeRedCat September 01, 2010

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What????????????????????????????????

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dudey1

dudey1 September 12, 2011