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September 5, 2015

Homework Help: significant figures- chemistry

Posted by mae on Friday, September 13, 2013 at 7:12pm.

I'm having trouble understanding significant figures. If a problem is requires two equations to finish, which of the original measurements do I use to figure out the significant figure? For ex. 3.001+4.32= 7.321. Then I use this answer for a different equation..for the final answer do I use the measurements for the second eq. or the first measurements?

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