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The Length Of A Roll Of Aluminium Foil Is 200m , Corrected To 2
Significant Figures. What Is The Percentage Error?
要好仔細解釋點解會系果個答案～～
Please Help Me
Thank You Very Much
Approximation and Errors
2009-09-03 11:12 am
回答 (1)
2009-09-03 3:02 pm
✔ 最佳答案
Since it is corrected to 2 signficant figures, the range of value for the length is 195m - 205m. Absolute error is 5 m.
Percentageof error = 5/ 200 * 100% = 2.5%
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090903000051KK00139