My Math Forum Carrying uncertainities?

 Physics Physics Forum

 September 13th, 2010, 08:50 AM #1 Newbie   Joined: Sep 2009 Posts: 3 Thanks: 0 Carrying uncertainities? Say I had a marble with a diameter of 25.45mm +/- .05mm (+/- .20%) If I wanted to find the surface area (4pr^2) to a total of 2048.2mm, how do I carry that uncertainty, and what does it become? Thanks.

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