4 tenths could be used to describe time, distance, money, and many other things.
4 tenths means that if you divide something into ten equal parts, 4 tenths is 4 of those parts that you just divided up.
We converted 4 tenths into different things below to explain further:
4 tenths as a Fraction
Since 4 tenths is 4 over ten, 4 tenths as a Fraction is
4/10.
4 tenths as a Decimal
If you divide 4 by ten you get 4 tenths as a decimal which is 0.40.
4 tenths as a Percent
To get 4 tenths as a Percent, you multiply the decimal with 100 to get the answer of 40 percent.
4 tenths of a dollar
First we divide a dollar into ten parts where each part is 10 cents. Then we multiply 10 cents with 4 and
get 40 cents or 0 dollars and 40 cents.

