280
280
Ten integers can be rounded off to 280. An infinite number of numbers can be rounded off to 280.
280
280
280 ends in zero, so it is already rounded to a ten.
280
0
280
Ten integers can be rounded off to 280. An infinite number of numbers can be rounded off to 280.
280
280
280
280
283 rounded of to the nearest tens is 280 and when rounded to the nearest hundreds is 300.
280 ends in zero, so it is already rounded to a ten.
300
When rounding 281 to the nearest ten, you look at the digit in the tens place, which is 8. Since 8 is greater than or equal to 5, you round up. Therefore, 281 rounded to the nearest ten is 280.