0.8 is four fifths as a decimal.If you mean four fifths then 4/5 as a decimal is 0.8
Expressed as a decimal, four fifths is equal to 0.8.
7.8 is the decimal equivalent of seven and four fifths.
Four fifths of ten is 8.
4.8
10.6
0.8
4.4
1.8.
0.8
17.8
1.80