Last modified on 17 July 2014, at 19:50




  1. Alternative spelling of 10s; plural form of 10
    • 1831, Henry Bartlett Maglathlin, Benjamin Greenleaf, The complete arithmetic: oral and written[1], page 43:
      65. How many 10's in 100? How many 100's in 1000?

Usage notesEdit

  • The use of an apostrophe (') is no longer required or recommended to indicate plurals of numbers written as digits.