12800.
12781 rounds to 12800
12800
13000
12800
13000
372 rounded to the nearest hundred is 400
300
12800
Whats the answer
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