If you're saying it as a plural, no, but if you were to say it belongs to them, i.e...
that is the bride's flowers.. etc, then yes.
More information:
Where, or whether, you put an apostrophe in the word 'brides' depends on the context.
If you're speaking of one bride, in the possessive sense, the apostrophe goes at the end of the word 'bride': The bride's gown was beautifully made.
If you're speaking of more than one bride, in the possessive sense, the apostrophe goes at the end of the word 'brides': The brides' gowns were beautifully made.
If you're speaking of more than one bride, in the plural sense, there's no apostrophe: The brides looked beautiful at their rehearsals.
Business'
No, you do not need to put an apostrophe in the word "hundreds" unless you are indicating a contraction or possession.
there is no apostrophe in the word cyclist.
With the word 'men' you would put the apostrophe between 'men' and 's'.
If you mean as an abbreviation of 'old', then the apostrophe would be at the end of the word (ol'), because the apostrophe shows that the 'd' at the end of the word has been omitted.
you put an apostrophe after the N and before the T.
Use an apostrophe after the word actors if it indicates possession. Example: actors' guild
The word "its" does not require an apostrophe when indicating possession, as in "The dog chased its tail." However, "it's" with an apostrophe is a contraction for "it is" or "it has," as in "It's going to rain today." To determine whether to use the apostrophe, consider whether you mean possession (no apostrophe) or a contraction (with apostrophe).
An apostrophe ( ' ) is put after a word to shorten and abbreviate a word , e.g. the printer's ink
yes
It means there is already an "s" at the end of the word
No, the word "grandparents" does not require an apostrophe. The plural form is used without any punctuation marks.