• Metric prefixes are used to distinguish between units of different size.
  • These prefixes all derive from either Latin or Greek terms.
  • For example, mega comes from the Greek word , meaning “great’Table below lists the most common metric prefixes and their relationship to the central unit that has no prefix.
  • Most abbreviations are lower-case.
  • We use “m” for meter and not “M”.
  • When it comes to volume, the base unit “liter” is abbreviated as “L” and not“l”
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