0.1000x(25.00-1.52)x246.47/1.000x1000有几位有效数字?

来源：学生作业学帮网编辑：学帮网时间：2024/06/16 16:43:26

0.1000x(25.00-1.52)x246.47/1.000x1000
=0.1000×23.48×246.47/1000
=578.71156/1000
=0.57871156
判定该数有8位有效数字.

大哥，是四位好不好！！！孩子被误导了啊！

x x X x x x x x x x x |x| X x x X x x