本题目来源于试卷: Physics Unit1: Introduction Measurement & Estimating,类别为 通用国际物理
[单选题]
The length and width of a rectangle mw adltn),((uarei,+vc)lxt/q(: m n9hxswe2 wj 1.125 m and 0.606 m, respectively. Multiplying, your calculator gives the product as 0.2 +(enm x9,s:c/l vwhqtw ix)j68175. Rounding properly to the correct number of significant figures, the area should be written as
A. $0.68 \; m^{2}$
B. $0.682 \; m^{2}$
C. $0.6818 \; m^{2}$
D. $0.68175 \; m^{2}$
参考答案: B
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