It is 2.5
4.5 already is rounded to the nearest half.
4/5 to the nearest half is 1.
Zero
4.0 dollars
Some people find it easier to add or subtract whole numbers but yes, you could round to the nearest half.
4.5 already is rounded to the nearest half.
1,500,000 is already rounded to the nearest half-million.
4/5 to the nearest half is 1.
To the nearest half, one half
53
6.5
5.5
38.412 rounded to the nearest half is 38.5
12.5
Zero
1/2
It is 8.9