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December 20, 2014

December 20, 2014

Posted by **Steven** on Friday, January 22, 2010 at 12:03am.

So a basic problem:

What is x= a+b+c?

given that:

a= 100.7 +/- 0.05

b= 0.61 +/- 0.005

c=226 +/- 0.5

OK. My question is the following:

I understand the answer is

x = 327.31 +/- 0.5025186564...

HOWEVER, I have no idea how the sig figs go.

Do I treat each part "seperately?" And by part, I mean the thing before the +/- and the thing after. If I do that, then the part before is 327 and the thing after is 0.5..... is my answer than 327 +/- 0.5??? It looks incorrect :(

- Propagation of error and sig. figs -
**Steven**, Friday, January 22, 2010 at 12:05amTo summarize my messy post, I am unsure how to write my final answer

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