Definition from Wiktionary, the free dictionary
- Alternative spelling of
1831, Henry Bartlett Maglathlin, Benjamin Greenleaf, The complete arithmetic: oral and written, page 43:
- 65. How many 10's in 100? How many 100's in 1000?
- The use of an apostrophe (') is no longer required or recommended to indicate plurals of numbers written as digits.<--Was it ever?-->