if the last two digits are lesser than 50 (e.g. 8634), you round down by making the last two digits 0 (in this case, 8600).
If the last two digits are greater than 50 (e.g. 8662), you round up by adding 1 to the hundreds and making the last two digits 0 (in this case, 8700).
If the last two digits are exactly 50, you can round up or down, your choice.
100.
95,96,97,98,99 round them up to the ten, all 100 to the 100, all 100.
To round 95 to the nearest ten, you would round it down to 90.
170 is already at the nearest ten. It will round up to 200 to be to the nearest 100.
103.00 to the nearest hundredth. 100 to the nearest hundred.
round 90 to the nearest ten
372 rounded to the nearest hundred is 400
300
6400
When rounding 2222 to the nearest hundred, we look at the digit in the tens place, which is 2. Since 2 is less than 5, we round down to the nearest hundred. Therefore, 2222 rounded to the nearest hundred is 2200.
100
100
100
10100
4198 to the nearest 100 = 4200
When rounding 127 to the nearest hundred, you look at the digit in the tens place, which is 2. Since 2 is less than 5, you round down. Therefore, 127 rounded to the nearest hundred is 100.
7675 rounded to the nearest 100 is 7700.