When writing out indefinite numbers and amounts, use words. A common mistake is to use numerals with the trailing ‘s’. Don’t do it. An even worse habit is to include an apostrophe.
- several hundred contestants
- a few thousand spectators
- a multimillion-dollar boat
- a man in his early fifties
- a roll of fifties and twenties
- hundreds of water skis
- a taste for all things seventies
