全部要列式!!!!!THZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
1. If 4 320 is corrected to 3 significant figures, the maximum error is ??
2. If the weight of a man is 50 kg with 2% percentage error,his true weightlies between ??
3. On a 2.5% error, which of the following cannot be the ture value of 19.6??
A. 20.08 B.20.001 C. 19.78 D. 19.09
f.2 maths(急急急!!!!!!!!...)
2007-09-26 6:21 pm
回答 (1)
2007-09-26 6:35 pm
✔ 最佳答案
2, 50 X 2% =1The weightlies between 50-1 to 50+1
=49 to 51
3, 19.6 X 2.5% =0.49
The value between 19.6-0.49 to 19.6+0.49
=19.11 to 20.09
=D
唔明第一題個4320係咩數..
收錄日期: 2021-05-01 00:15:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070926000051KK00939