No, that's 391/500
0.782 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. And, since it is a decimal fraction, there is not another simpler decimal form. Its equivalent, in rational form, is 782/1000 which can be simplified to 391/500..
It is: 15/500 = 0.03 as a decimal
782 over 1000 in the simplest form is 391 over 500.
Expressed as a decimal, 11/500 is equal to 0.022.
0.782 = 782/1000 = 391/500
7/500 = 0.014
1/500 = 0.002
400/500 = 400 ÷ 500 = 0.8
4/500 = 4 ÷ 500 = 0.008
39/500 = 39 ÷ 500 = 0.078
499 ÷ 500 × 100 = 99.8