Format a base-unit number as a string in the named display unit. e.g. formatUnit(36, 'ft', IMPERIAL_INCHES) => '3ft' Default precision: 2. Trailing zeros trimmed.
Optional
Format a base-unit number as a string in the named display unit. e.g. formatUnit(36, 'ft', IMPERIAL_INCHES) => '3ft' Default precision: 2. Trailing zeros trimmed.