Which sentence correctly forms the plural of the letters PDF?

a. Changing documents into PDFs' isn't too difficult.

b. Changing documents into PDFs isn't too difficult.

c. Changing documents into PDF's isn't too difficult.

Question

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English

13 December, 17:56

Which sentence correctly forms the plural of the letters PDF?

a. Changing documents into PDFs' isn't too difficult.

b. Changing documents into PDFs isn't too difficult.

c. Changing documents into PDF's isn't too difficult.

+5

Answers (2)

Know the Answer?

Luciano Padilla · Answer 1

B because the other two are possessive and B is plural. (The apostrophes aren't needed)

Good Luck.

Soren Walls · Answer 2

Pluralizing acronyms is usually done with just an s like any other word.

This is to contrast with possessive forms, singular (formed with 's) and plural. (s')

There's not really a technical consensus on this, however. This does fit the Chicago Manual of Style if that matters at all.

b. Changing documents into PDFs isn't too difficult.

Which sentence correctly forms the plural of the letters PDF?a. Changing documents into PDFs' isn't too difficult.b. Changing documents into PDFs isn't too difficult.c. Changing documents into PDF's isn't too difficult.

Which sentence correctly forms the plural of the letters PDF?

a. Changing documents into PDFs' isn't too difficult.

b. Changing documents into PDFs isn't too difficult.

c. Changing documents into PDF's isn't too difficult.