A half written as a decimal is 0.5
One half percent can be written in decimal as 0.005 or just .005
0.5
2 and 1/2 as a decimal is 2.5
0.25
A half written as a decimal is 0.5
One half percent can be written in decimal as 0.005 or just .005
Eight and one half is 8.5
One half is 1/2, which is 0.5 written as a decimal. 3 and (plus) 0.5 is 3.5. So 3 and one half is written 3.5
0.5
One half is one half. It can be written as a fraction (1/2) or a decimal (.5)
2 and 1/2 as a decimal is 2.5
0.25
It is 500, and there is no need for decimal point.
Twenty eight and one thousandth is written as 28.001 in decimal point notation.
0.25
It would be 8.5