1300
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.
20
It is 0.188
5000
100
It is 2,300
400
2100
It is: 700
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.
20
8910
5
It is 0.188
9000
5000
100