: Official sales contracts often express totals in words—for example, "US dollars thirty thousand only"—to ensure there is no confusion regarding the agreed-upon sum. Academic Exams
| Situation | Recommended Form | Example | |-----------|------------------|---------| | Legal contracts | Words (and numerals) | "The sum of thirty thousand dollars ($30,000)" | | Personal checks | Words (for amount) | Pay to the order of: Thirty thousand and 00/100 | | Journalism (AP Style) | Numerals for 10+ | "The crowd reached 30,000." | | Fiction/dialogue | Words for round numbers | "He offered me thirty thousand for the car." | | Formal invitations | Words | "Please bring a gift valued at thirty thousand dollars or more." (rare, but possible) | 30000 in words
Understanding the place value of 30000 helps avoid common spelling errors, especially for ESL learners or children studying mathematics. : Official sales contracts often express totals in
❌ Thirty thousands ✅ Thirty thousand (When a specific number precedes "thousand," it remains singular.) " it remains singular.)