9.04
2.00
139.68
45 cents
If you are talking in terms of $67.8055, then you would round it to $67.81
0.12000 pennies, to the nearest penny is 0 pennies.
It looks like it HAS been rounded to the nearest penny.
If you are talking about 410.80 cents, then it would round to 411 cents. If you are talking about $410.80, then with a penny = $0.01, it is already rounded to the nearest penny.
1.16
$2.50
9.04
2.00
The nearest thousand is 2000, so it would round up to that.
139.68
45 cents
You do you calculation. Let's say the answer is $7.4269. It means seven dollars, 42 cents and .69 of a cent. The nearest whole cent is 43, not 42. So you write $7.43. If you round that to the nearest dollar, it will be $7. Forget about the change.
If you are talking in terms of $67.8055, then you would round it to $67.81