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 rec dg 6hmkwx*1b 9 (rno0db4pn6btangle are 1.125 m and 0.606 m, respeco*z6kex1k, xi/vztp:tively. Multiplying, your calculator gives the product as 0.68175. Rounding properly to the corot kxepz:1/xkz*6, iv rect 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
本题详细解析:
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