if 1 dm cubed = 1 liter, how many liters are in a vessel containing 10.5 dm cubed
\(\begin{array}{rcl} 10.5\ \text{dm} \cdot \left( \frac{1\ \text{liter}}{1\ \text{dm}} \right)&=& 10.5\ \text{liter} \end{array}\)
1dm^3=1liter
10,5dm^3=10,3 liter
10.5 l