$5. Most rules of rounding say 0 to 4 rounds down, while 5 to 9 rounds up.
$4.00
It is already rounded to the nearest ten as 450
450
450
86.24 cent, rounded to the nearest dollar, is 1 dollar.
450
It is already rounded to the nearest ten as 450
450
As is. It is already rounded to the nearest tens place.
You do nothing. 450 is already rounded to the nearest ten.
450
450
450
$65.16 rounded to the nearest dollar = $65 65.16 cents rounded to the nearest dollar = $1
$1002 is $1002 when rounded to the nearest dollar. 1002 cents is $10 if rounded to the nearest dollar.
450
450
450