490
It is: 500 and not 490
490
490
It is 490 because 1 is less than 5
490
490
490
It is 490 when rounded to the nearest whole number and not 489
490
Well, isn't that a happy little number! If we want to round off 486, we look at the digit in the tens place, which is 8. Since 8 is greater than or equal to 5, we round the number up to 490. Just a gentle adjustment to keep things nice and tidy!
To the nearest ten, 490 To the nearest hundred, 500