The weight of John is 56.6kg.
(a)Find his weight (correct to 1 significant figure , unit : kg)
(b)Find the absolute error of the approximate value in (a)? (unit : kg)
(c)What is percentage error of the approximate value in (a)? (Give the answer correct to 2 significant figures)
Maths!!!
2008-12-24 7:28 pm
回答 (1)
2008-12-24 8:18 pm
✔ 最佳答案
(a)John's weight
= 60 kg (1 sig. fig.)
=====
(b)
Absolute error
= (60 - 56.6) kg
= +3.4 kg
=====
(c)
Percentage error
= (+3.4/56.6) x 100%
= +6.0% (2 sig. figs.)
=
收錄日期: 2021-04-23 23:05:55
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081224000051KK00433