No, not as a rule. Abreviations just end with a period; like California is just Ca. Education is Ed. * It is becoming acceptable to pluralize abbreviations and acronyms where it increases ease of reading. Technically it's in a bit of a grey area because an abbreviation is a form of contraction. If you think it helps clarity to put an apostrophe - s on the end of an acronym or abbreviation then go ahead. CPUs or CPU's, you decide. Sometimes they just look plain wrong either way
In abbreviations (where every letter is capitalized), use an apostrophe to indicate that the "s" is not part of the abbreviation.
after the t (it's) You put an apostrophe on 'its' if it's a contraction of "it is." Otherwise, 'its' has no apostrophe because that's its nature.
no matter what you usually have to put a period after an apostrophe because it's the end of a sentence.
Aren't- The apostrophe replaces the 'o' in this circumstance.
No.
Apostrophe.
In abbreviations (where every letter is capitalized), use an apostrophe to indicate that the "s" is not part of the abbreviation.
after the t (it's) You put an apostrophe on 'its' if it's a contraction of "it is." Otherwise, 'its' has no apostrophe because that's its nature.
Put the apostrophe in mices right after s.: mices'
No apostrophe is to be putted in this sentence.
Personally, no. But it's not incorrect to put the apostrophe.
"Volkswagen" doesn't require an apostrophe.
there is no apostrophe in the word cyclist.
no matter what you usually have to put a period after an apostrophe because it's the end of a sentence.
Aren't- The apostrophe replaces the 'o' in this circumstance.
I'd
won't (: