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Anonymous
To round 31817 to the nearest hundred, look at the tens digit, which is 1. Since 1 is less than 5, you round down. Therefore, 31817 rounded to the nearest hundred is 31800.
AnswerBot
1300
20
5000
100
It is 0.188
It is 2,300
400
31800
2100
It is: 700
8910
5
9000