Two thousand, four hundred four.
2404
Seven Point Five
three point four.
twelve point five
Zero point one.
Nought point one
I would say "twenty four point thirty two".
Zero point six six
It is equivalent to a half or point five
Zero point one four. Or zero decimal one four. Or fourteen hundredths.
nought, point, seven, six, two, three. Always say it in units, not tens or hundreds etc.
The distance is 2404 miles.