It is: 500 and not 490
The number 490 is already rounded to the nearest ten.
500
That number rounds to 490 or 500. Numbers from 1-4 round downwards and number 5-9 round upwards.
490
It is: 500 and not 490
The number 490 is already rounded to the nearest ten.
500
490
That number rounds to 490 or 500. Numbers from 1-4 round downwards and number 5-9 round upwards.
490
It is: 490+10 = 500
490
It is 490 when rounded to the nearest whole number and not 489
489.612 rounded to the nearest whole number = 490
round it up. if you want to round anything 4 to 1 to the nearest 10, it goes down, anything 5 to 9 goes up. so if you wanted to do say 494 to the nearest 10, it would be 490. if you wanted to do 496 to nearest 10 it would be 500
That is improperly formed. It could be interpreted as 490 (500 - 10)