The number 490 is already rounded to the nearest ten.
400
490
It is: 500 and not 490
490
It is 490 because 1 is less than 5
The answer will depend on the degree to which the number is rounded. Without any indication of that, it is not possible to answer the question sensibly.
490
It is: 500 and not 490
490
It is 490 because 1 is less than 5
The answer will depend on the degree to which the number is rounded. Without any indication of that, it is not possible to answer the question sensibly.
490
490
490
It is 490 when rounded to the nearest whole number and not 489
490
To the nearest ten, 490 To the nearest hundred, 500
480