What is the plural of 8?

Answer 1

The plural of "8" is "8s." In English, the general rule for forming the plural of numbers is to simply add an "s" without an apostrophe. This applies to most numbers, including "8."

Answer 2

Well, honey, the plural of 8 is 8s. Simple as that. Just slap an "s" on the end and call it a day.

Answer 3

Just the plural form of the word "eight"? It would be "eights", but I'm not entirely sure that's what you meant.