标题: maths 问题 [打印本页] 作者: yamseng 时间: 2011-1-6 07:51 PM 标题: maths 问题 问问大家一个问题：
the density of chlofoform is 2.9g cm(to the power of negative -3)
find the mass,in gram,of 25.8cm(to the power of 3)of chloroform.
give your answer in three significant figures.
[GIVEN density=mass/volume]
