0
votes
0answers
23 views

When talking about decades, is it correct to write “90's” with an apostrophe? [duplicate]

When referring to decades such as the nineties, is it correct to write 90's with an apostrophe?
33
votes
8answers
35k views

Plurals of acronyms, letters, numbers — use an apostrophe or not?

When I was in high school back in the 1970s, I was taught that to make a plural of an acronym, a letter, or a number, one should add an apostrophe and "s". Like I would have written this sentence, ...
5
votes
3answers
5k views

Is an apostrophe with a decade (e.g. 1920’s) generally considered “incorrect”?

I typically don’t use an apostrophe with plurals in any situation, but I always assumed that the use of an apostrophe in constructions like acronyms: Forty BA’s were given out to students this ...