twenty inches of mercury
Twenty-thirtieths = 20/30
Mercury, which is over twenty times the mass of (minor planet) Pluto.
No. it's not necessary unless it forms part of the proper noun. Examples: The Twenty-first Dynasty of Egypt Twenty-first Amendment
Expressed as a proper fraction in its simplest form, 0.192 is equal to 24/125 or twenty-four hundred and twenty-fifths.
Expressed as a proper fraction in its simplest form, 0.92 is equal to 23/25, or twenty-three twenty-fifths.
Expressed as a proper fraction in its simplest form, 84% is equal to 21/25 or twenty-one twenty-fifths.
Expressed as a proper fraction in its simplest form, 0.88 is equal to 22/25 or twenty-two twenty-fifths.
Expressed as a proper fraction in its simplest form, 0.84 is equal to 21/25 or twenty-one twenty-fifths.
Expressed as a proper fraction in its simplest form, 0.08 is equal to 2/25 or two twenty-fifths.
The proper notation for three hundred and twenty-five micrograms is 325 µg. In this notation, "µg" represents micrograms, where "µ" is the Greek letter mu, denoting one-millionth of a gram.
No, except at the beginning of a sentence because it is not a proper noun.