determine_unit

# File activesupport/lib/active_support/number_helper/number_to_human_converter.rb, line 38
        def determine_unit(units, exponent)
          exp = DECIMAL_UNITS[exponent]
          case units
          when Hash
            units[exp] || ""
          when String, Symbol
            I18n.translate("#{units}.#{exp}", locale: options[:locale], count: number.to_i)
          else
            translate_in_locale("human.decimal_units.units.#{exp}", count: number.to_i)
          end
        end