What does the prefix "deci" represent?

The prefix "deci" represents one tenth. This is a standard metric prefix used in the International System of Units (SI) to denote a factor of 0.1 (10^-1). In various applications, you might encounter this prefix in measurements such as decimeters (one-tenth of a meter) which helps in quantifying lengths in a more manageable way. Understanding prefixes like "deci" is essential for interpreting and converting units within the metric system effectively. This foundational knowledge enhances comprehension in mathematical, scientific, and engineering contexts where precise measurements are crucial.