本题目来源于试卷: Physics Bowl by Topic 1: Unit, Prefix, Significant Figures, Estimation & History,类别为 美国物理杯赛(Physics Bowl)
[单选题]
14.02: In the labora o)maxn 3*0 ybdegegb7 j z;z6i(c3/ombpw1; ei .*o-d 5ghwoc.tgyk* (h *rkgtory, a student makes the following 6 measurements for the length of an object: 5.05cm, 5.06cm, 5.07cm, 5.06cm, 5.07cm and 5.09cm. Using the rules of significk-wyc.*(g.ih d 5*og tor*ghkant digits, which one of the following choices correctly represents how she should express the average length of the object?
A. 5 cm
B. 5.06 cm
C. 5.066̅ cm
D. 5.07 cm
E. 5.1 cm
参考答案: D
本题详细解析:
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