单选题将数字20.449修约为3位有效数字的结果是()A20.5B20.449C20.45D20.4
单选题
将数字20.449修约为3位有效数字的结果是()
A
20.5
B
20.449
C
20.45
D
20.4
参考解析
解析:
暂无解析
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将以下数修约为4位有效数字:0.0253541修约为(),0.0253561修约为(),0.0253550修约为(),0.0253650修约为(),0.0253651修约为(),0.0253549修约为()。
填空题将以下数修约为4位有效数字: 0.0253541修约为(), 0.0253561修约为(), 0.0253550修约为(), 0.0253650修约为(), 0.0253651修约为(), 0.0253549修约为()。
单选题将1.255001修约为三位有效数字的正确结果是()。A1.24B1.26C1.25D1.20