"half"You can also write fifty percent.
4.5
500,000
The standard form is 4.5 × 100The standard notation is 4.5
5,500,000
500,000 is 5.0*10^5 in standard form or scientific notation
125/1000
11.5 Million is 11.5 x 106 or 11,500,000
Five tenths or one half or 50 percent.
0.5%
0.5%
One and a half percent.