f.2 maths”Approximation and Errors”

2008-09-13 10:15 pm
A pair of scissors is 11.0 cm long.

Find the % error of the measured length.(Give the answer correct to 3 significant figures)

Steps plz,thx!

回答 (2)

2008-09-13 11:54 pm
✔ 最佳答案
The max. err. : 1/10*1/2=0.05

The Relative err.=0.05/11.0=5/1100=1/220

% err.: 1/220*100%=5/11%=0.455%

希望幫到你!
參考: 自己~
2008-09-13 11:16 pm
[(0.1/2)/11.0]*100%=0.456%
參考: ME


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