题目
sat2物理 有效数字
A scientist measures the mass of a sample to an accuracy of 1%. Which of the following is most likely the mass he measured?
(A) 44.4 g
为嘛……
A scientist measures the mass of a sample to an accuracy of 1%. Which of the following is most likely the mass he measured?
(A) 44.4 g
为嘛……
提问时间：2020-10-09
答案
举一反三
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