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科学记数法精确到哪位是怎么看
更新时间: 2021-01-15 15:36:43  

1、举例说明:7.356乘10的9次方化成没有小数点的=7356乘10的6次方,10的6次方是百万所以精到了百万位。

2、科学记数法是一种记数的方法。把一个数表示成a与10的n次幂相乘的形式(1≤a

关键词: 科学 精确 怎么

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