3264 to nearest hundred is 3300 Method; look at the number below the hundreds colum; viz. '64'. From '64' there are 36 places to 300, but 64 places back to 200. So there nearest hundred is only 36 places away. So the answer is 3300.
round 90 to the nearest ten
372 rounded to the nearest hundred is 400
300
100
100
100
10100
4198 to the nearest 100 = 4200
7675 rounded to the nearest 100 is 7700.
The answer is zero.
100.