8.4 is 8 and 4/10
8.4
8.4
The answer is that 8 4/10 as a decimal is 8.4.
1 and 8 tenths as a decimal is 1.8
.8
0.8
Convert the fractional part into tenths, hundredths, thousandths etc. So four fifths is 8 tenths, so you get 3.8
2,000.8
0.8
8 and 4 tents = 8.4 in decimal.
0.84
1 and 8/10 = 1.8