3 1/2
We write two and a half as 2.5 in decimal form.
Half of 4.5 in decimal form is 2.25
3.5
1.5
2.5
It is 0.0005
0.5
1.5
The decimal form of 1/2 is 0.5
Two quarters is one half. In decimal form: 0.5
Half a thousandth is written as 0.0005 in decimal form. A thousandth is 0.001, so half of that is 0.0005.
0.5cc