Browsing: Writing Tips

Compound numbers must be written with a hyphen to make them easier to read. For example, twenty-one should be written as 21, not 21. This rule applies to all compound numbers, including those with more than two digits.

This article discusses the use of hyphens with compound modifiers, which are two or more words that modify a noun. It explains when hyphens should be used and provides examples to illustrate the correct usage.