What does the prefix "deci" signify?

The prefix "deci" signifies a factor of one tenth (0.1). This is consistent with the metric system, where prefixes are used to denote specific powers of ten. As such, "deci" refers to ten times smaller than the base unit.

In the metric system, "deci" is a standard prefix used in various measurements, including length, volume, and mass, to represent one-tenth of a unit. For example, a decimeter is one-tenth of a meter, and a deciliter is one-tenth of a liter. Understanding this prefix is crucial in fields such as science and engineering, as it helps in accurately converting and communicating measurements.