2,605 rounded to the nearst hundred

First ask yourself what is in the hundreds place.

The 6.

To round, you need to look at the number directly to the right. If it is smaller than 5, the rounded number stays the same; if it is bigger then 5 you round up.

The 0 is to the right of the 6.

Since it is smaller than 5, the 6 stays the same.

The answer is 2,600

This number rounded to the nearest hundred is 2,600