Write it as 035, then take the tens as the number that you use to decide whether you round up or down. With it being three you will round down so the answer will be 0.
100
372 rounded to the nearest hundred is 400
300
To the nearest ten, 40
Oh, dude, rounding 100 to the nearest 10 is a piece of cake! You just look at the digit in the tens place, which is 0, and since it's right in the middle, you round up to the nearest 10, which is 100! Easy peasy, lemon squeezy!
100
0
The nearest hundred smaller than 365 is 300 which is 65 away. The nearest hundred larger than 365 is 400 which is 35 away. Therefore the nearest 100 is 400.
10100
4198 to the nearest 100 = 4200
Oh, dude, rounding is like the easiest math concept ever. So, if you want to round 7675 to the nearest 100, you just look at the digit in the hundreds place, which is 6. Since the next digit is 7, which is 5 or more, you round up. So, 7675 rounded to the nearest 100 is 7700. Easy peasy lemon squeezy!
The answer is zero.