$3
4.00
$6.00
0 Dollars.
The answer depends on the units used for 12.84. For example, 12.84 cents to the nearest dollar is 0 dollars.
99.54 to the nearest dollar is 100
The nearest dollar to $1.09 is $1.00
The nearest dollar is $328.00
To the nearest whole dollar, it is $358.
420.166 to the nearest dollar is 420
It is already to the nearest dollar.
$24.89 to the nearest dollar = $25