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
It is 0.0005
2.5
1.5
0.5
The decimal form of 1/2 is 0.5
1.5
Half a thousandth is written as 0.0005 in decimal form. A thousandth is 0.001, so half of that is 0.0005.
Two quarters is one half. In decimal form: 0.5
Well, darling, to express one and a half thousandths in decimal form, you simply write it as 0.0015. It's as easy as pie! Just move that decimal three places to the left and voilà, you've got your answer.