Question

Which sentence correctly forms the plural of 1900?

A.
Was the helicopter invented in the 1900s?

B.
Was the helicopter invented in the 1900's?<=my ans b

C.
Was the helicopter invented in the 1900s'?

Answer 1

@gabbyalicorn

Answer 2

@Mehek14

Answer 3

Hmm...

Answer 4

Oh

Answer 5

Yes, you're correct.

Answer 6

Aaa

Answer 7

Nice job. ;)

Answer 8

Isn't it a

Answer 9

I don't think it's b....

Answer 10

Well, the only other possible choice is a.

Answer 11

This one is difficult because it can technically be 1900s or 1900's. :/

Answer 12

Methinks 1900s is correct :\

Answer 13

It's A, usually there's no singled quotation