Standard Form Physics Question?

  • Thread starter Thread starter lordloss20
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lordloss20

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My average is 15.6 cm and the uncertainty is 2.74 cm. When I put this in standard form, is this correct?:

(1.56+/-.274) X 10^1

Or would it be?:

(1.56+/-.3) X 10^1

I'm retaking physics and I don't want to make any mistakes so i'm going through my old labnotebook that i'll be redoing.
 
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