How do you round 8,190 to the nearest hundred?
The answer is 8,200
How much does 8,190 have to increase by to reach the next 100?
How much does 8,190 have to decrease by to reach the next 100?
The answers are 10 to go up to 8,200 and 90 to go down to 8,100. As 8,200 is closer, it is the answer to rounding 8,190 to the nearest 100.