because 199 rounded to the nearest 10 is 200, so 199 to the nearest 100 is 200..
Because 200 is both a multiple of 10 and 100.
95,96,97,98,99 round them up to the ten, all 100 to the 100, all 100.
round 90 to the nearest ten
372 rounded to the nearest hundred is 400
300
It rounds to 5000 which is the same as 50 hundreds
100
100
100
2,222 rounded to the nearest 100 is 2,200.
10100
100
4198 to the nearest 100 = 4200