What does the prefix 'Deca' represent in the metric system?

In the metric system, the prefix 'Deca' signifies a factor of 10. It is derived from the Greek word for ten. This means that when you see a unit preceded by 'Deca,' such as decameter or decagram, it indicates that the unit is ten times the base unit. For instance, one decameter equals 10 meters. Understanding this prefix is essential for interpreting measurements and converting between different metric units.