Assertion: metric system's prefix | /r/HasProperty | part of the unit
Facets:
Source sentences:
text: A prefix is part of the unit, and its symbol is prepended to a unit symbol without a separator (e.g., k in km, M in MPa, G in GHz, μ in μg).
text: When powers of units occur, for example, squared or cubed, the multiplicative prefix must be considered part of the unit, and thus included in the exponentiation: