To find out how many deciliters are in 1.580 hectoliters:
The first step is to recall the standard conversion between the two units of measurement.
[tex]1\text{ Hectolitre =1000 Decilitre}[/tex]Therefore:
[tex]\begin{gathered} 1.580\text{ Hectoliters =1000 }\times1.580\text{ Deciliters} \\ =1580\text{ Deciliters} \end{gathered}[/tex]Therefore, there are 1,580 Deciliters in 1.580 hectoliters.