Not sure what you mean exactly, but the 8 is in the tenths place.
You can also look at it and say that there are 10 tenths in each whole number. In this case 3 is the whole number and ten 3's is thirty plus the 8 tenths we already mentioned making 38 tenths total.
ANSWER= 38
3
12
38 tenths in decimal = 3.8
thirty-eight3.8 / 0.10 = 38
38/5
38 whole ones, and 0.962 of another one
Whole tens: 38 Tens: 38.5
38.25 rounding to the tenths is 38.00 or just 38 your choice
3.8
4.3
38 US gallons equals 143.8 liters, rounded to the nearest tenth of a liter.
10.7/(1/10) tenth in 10.7 ie 107 tenths in 10.7
38.5
As a fraction: 38/10 or as 19/5 in its simplest form As a decimal: 3.8