Wednesday
May 27, 2015

Homework Help: Physical Science

Posted by Amy on Friday, August 26, 2011 at 5:05pm.

Can someone explain this rule in simple english please? "Rule for addition and subtraction: The rightmost significant figure in a sum or difference will be determined by the least accurate measurement."
Example: 18.56 m
- 13.2 m
__________
5.36 m = 5.4 m

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