作者kittysleep (***爱睡猫***)
看板Chemistry
标题普通化学的问题
时间Thu Mar 16 23:27:58 2006
关於有效位数的问题
Five successive determinations of the specific weight of a liquid
gave the following results: 1.018 0.996 1.021 1.014 and 0.993
what is the best answer to report for the specific weight of the
liquid?
有五个选项 a. 0.9 b. 1.0 c. 1.01 d. 1.008 e. 1.0084
这是很简单的问题 但是 我实在有点搞不清楚到底要取几位数
麻烦替我解答ㄧ下 谢谢!!
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1F：推 shok:c 03/17 00:09
2F：推 comt:该秤的准确位数为四位故答案为1.008 03/24 23:38