Possessive Noun Formation Rules

Which of the following is the correct form? Two 5's and four 3's, Two 5s and four 3s, Two 5s and four 3's, None of these

Answer: Two 5s and four 3s
Explanation

The correct plural form of numbers is written without apostrophes (e.g., 5s, 3s).

Apostrophes are not needed unless showing possession or contractions.

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