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同学们在初学科学记数法时,由于对概念的理解不透彻或考虑问题不全面等原因,经常出现这样或那样的问题.现将学生在初学科学记数法时常见易错点剖析如下,以供同学们学习参考.一、科学记数法a×10~n中a值的确定出错例1 2010年我国总人口约为1 370 000
Students in the beginner's scientific notation, due to the lack of thorough understanding of the concept or consider the problem is not comprehensive and other reasons, often appear this or that problem nowadays students in the beginner's scientific notation method common error-prone analysis as follows, For students to learn for reference.A scientific notation a × 10 ~ n in the value of a determination of error Example 1 China's total population in 2010 is about 1 370 000