天气预报15天查询> 其他> 科学记数法精确到哪位是怎么看

科学记数法精确到哪位是怎么看

更新时间: 2020-11-05 00:00:00     

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

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-3097968/ | 耗时:0.6318 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=3097968 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3097968 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3097968 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1073399,1070997,1049836,1061928,1053802,1072314,1044561,1045825,1055373,1063559,1096000,1049048,1060645,1067487,1060721,1051425,1096861,1065495,1052073,1072030,1070254,1064311,1127187,1052529,1067017,1116813,1119652,1043987,1071055,1098219) ORDER BY field (ArticleID,1073399,1070997,1049836,1061928,1053802,1072314,1044561,1045825,1055373,1063559,1096000,1049048,1060645,1067487,1060721,1051425,1096861,1065495,1052073,1072030,1070254,1064311,1127187,1052529,1067017,1116813,1119652,1043987,1071055,1098219)