The thickness of a pile of 500 pieces of white paper is 39 mm. The
percentage error of the measurement is 0.2%. Find:
(a) the maximum absolute error of the measurement (unit : mm)
(b) the upper limit of the thickness of each piece of paper (correct to
3 significant figures, unit : mm)
Maths!!!
2008-12-24 6:45 pm
回答 (1)
2008-12-24 6:53 pm
✔ 最佳答案
a) the maximum absolute error of the measurement = 39mm x 0.2% = 0.078mm
b) the upper limit of the thickness of each piece of paper =
39mm/500 x (100+0.2)% = 0.078mm
收錄日期: 2021-04-13 16:19:59
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