490
It is: 500 and not 490
490
490
480
490
490
It is 490 when rounded to the nearest whole number and not 489
490
490
To the nearest ten, 490 To the nearest hundred, 500
Oh, dude, rounding 491 to the nearest ten is like a walk in the park. You just look at the digit in the tens place, which is 9, and since it's greater than 5, you bump it up to the next ten. So, 491 rounded to the nearest ten is 490. Easy peasy!