Answer:- [tex]2.0liters[/tex] .
Solution:- It is correct that mili means a thousandth that is [tex]\frac{1}{1000}[/tex] part. We have been given with 1939 mililiters and asked to convert it to liters and round the answer to the nearest tenth of a liter. We do this conversion by using dimensional analysis, a good of showing unit conversions. The set is as shown below:
[tex]1939mililiters(\frac{1Liter}{1000mililiters})[/tex]
= [tex]1.939liters[/tex]
Now, we round this to the nearest tenth and it becomes [tex]2.0liters[/tex] .
So, 1939 mililiters equals to 2.0 liters.