What is decimal prefix?

Decimal Prefix (also called: Metric Prefix) is a unit prefix used in the metric system that precedes a basic unit of measure to indicate a decimal multiple or a fraction of that unit.


Without prefix denotes the value one (10⁰) in the basic unit of measure in the metric system.


Zetta is a decimal unit prefix in the metric system denoting multiplication by one sextillion (10²¹).