Physics Unit1: Introduction Measurement & Estimating (id: 138d9e809)

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]
Express the following su 0lw)g*cwduv7m with the cor k399.eytlin.,x fjrlrect number of significant figures: $1.00 \; kg + 1531 \; g + 2.54 \times 10^{4} \; mg$.

A. $2.56 \; kg$
B. $27.9 \; kg$
C. $2.53 \; kg$
D. $2.79 \; kg$


参考答案:  A


本题详细解析: 暂无

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