The answer is zero.
29 rounds to 0.
100
372 rounded to the nearest hundred is 400
300
29
100
4198 to the nearest 100 = 4200
30
10100
The answer is zero.
95,96,97,98,99 round them up to the ten, all 100 to the 100, all 100.
To round 97 to the nearest 100, you need to look at the digit in the tens place, which is 9 in this case. Since 9 is greater than or equal to 5, you will round up. Therefore, 97 rounded to the nearest 100 is 100.