Use figures for 10 and above, ordinals for 10th and above. Spell out numbers used at the beginning of sentences. Dates Use figures without st, nd, rd, or th. Do not use ordinals. The position is available as of June 1.
Ages Always use figures.
Symbols Spell out percent . Use a dollar sign. Spell out the word degree when speaking of temperature. The AP Stylebook presents standard rules for essential and nonessential phrases. Use your own judgment to decide if commas clarify or clutter, if they hamper or aid the easy reading of a sentence.