Why do the words hundred & thousand require "a" before them, where ten & ten thousand do not?
133626
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?
37625
Why is the word 'number' abbreviated to 'No.' in UK English and '#' in American English?
124189
"A few" vs. "few"
47368
Is it essential to use comma in a big number?
46215
The reason for saying "5 out of 10" instead of "1 of 2"?
3131
Indefinite article in the "An [adjective] [number] [plural noun]" construction
10351
Why "a user" instead of "an user"?
120543
How do you say 100,000,000,000,000,000,000 in words?
37910
If capital letters are supposed to be sets, why is $N$ used as a number?
37890
"Four dozen" or "Four dozens"
6689
Do you use "a" or "an" before acronyms / initialisms?
27311
Why use "need not" instead of "do not need to"?
149821
What article do we use before a symbol? Is it "an @" or "a @"?
43632
a large number of/ large numbers of, What's the difference?
157879
A tendency to use "a" in place of "an" in American English
28447
The confusion between "The" or "A" article
26718
"is" vs "are" when followed by a number