Why do we use the article 'a' when referring to 100 items? But we don't use it when referring to any other plural count?
35635
Indefinite articles used with plural nouns: It was AN amazing TWO DAYS
47245
Use of Indefinite Articles(a,an)
100929
Should I use "a" or "an" when I abbreviate a word?
110711
Difference between "per" and "a"
121601
Difference between the use of "a" and "any" in these examples?
8385
Articles: When do I use "a", "the", or "__"?
46226
"A number of students" vs. "the number of students"
71943
When to use 'an' and when to use 'a' with words begining with 'h'?
119928
When uncertain if refering to multiple or single should the plural form or singular form be used?
146408
Singular Vs plural while making a general statement
91176
When talking about many things that all have one thing, do you use the plural or singular?
91729
When do we use "any" with countable nouns?
13049
"There is/are more than one". What's the difference?
20062
The use of indefinite article with initials
6689
Do you use "a" or "an" before acronyms / initialisms?
70043
Is it correct to have 'a' before a proper noun?
125076
Which article to use: 'the' or 'a'