2.515修改成小数点后两位有效数字后,其修约值为()A.2.51B.2.52C.2.515D.2.50
2.515修改成小数点后两位有效数字后,其修约值为()
A.2.51
B.2.52
C.2.515
D.2.50
参考答案和解析
2.52
相关考题:
2163修约至小数点后两位为()A.2.23B.2.22C.2.24D.2.20E.2.212.2349修约至小数点后两位为()A.2.23B.2.22C.2.24D.2.20E.2.212.2254修约至小数点后两位为()A.2.23B.2.22C.2.24D.2.20E.2.212.2150修约至小数点后两位为()A.2.23B.2.22C.2.24D.2.20E.2.21请帮忙给出每个问题的正确答案和分析,谢谢!
测得某一食品中铅的质量分数如下,极限数值为≤0.05%,( )符合标准要求。A.测定值0.044%,修约值0.04%B.测定值0.046%,修约值0.05%C.测定值0.054%,修约值0.05%D.测定值0.055%,修约值0.06%E.测定值0.061%,修约值0.06%
以下说法正确的是()。A、把1.050进行修约,当修约间隔为0.1时,修约值为1.0B、把0.35进行修约,当修约间隔为0.1时,修约值为0.3C、把0.325进行修约,当把它修约成两位有效位数时,修约值为0.033D、把-355进行修约,当把它修约到“十”数位时,修约值为-36×10
多选题以下说法正确的是()。A把1.050进行修约,当修约间隔为0.1时,修约值为1.0B把0.35进行修约,当修约间隔为0.1时,修约值为0.3C把0.325进行修约,当把它修约成两位有效位数时,修约值为0.033D把-355进行修约,当把它修约到“十”数位时,修约值为-36×10
单选题将0.285修约成两位有效数字后,其修约值为()。A0.28B0.280C0.29D0.290