本题目来源于试卷: Tools & Inquiries G.2 Mathematics Tools，类别为 IB化学
[单选题]
A student recorded the 6o)ewz ha:; jrd6jbp/m9 u/.re8:c:bu wv , dhbg+hr wvolume of a gas as 0.04056m$^3$. How many significant figures does the recorded value have?
A. 3
B. 4
C. 5
D. 6
参考答案: B
本题详细解析:
Leading zeroes are not significant while non-zero digits are significant (4,5,6), and zeroes between two non-zero digits are significant. Hence, 0.04056 has 4 significant figures.
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