it is optional you can put one on 2000 pounds to make it 2,000 pounds but otherwise it does not change it's value
5 comma 300 comma 000 comma 000 comma 000 comma 000.
It can be considered one because it connects independent clauses. But there is some question whether (as an adverb) it still requires a semi-colon rather than a comma.
1,274,915,000. A trick is that you place a comma whenever there's a billion, million, thousand, hundred, etc. in your sentence. So you would write it as 1 (comma) 274 (comma) 915 (comma) 000. You need the zeros at the end because a billion always has nine places after the first comma. Since there were only six, that means the rest has to be zeros.
What are all the names of a comma in a number
Generally, the comma should be placed before the word "otherwise" when used to introduce an alternative or contrast. For example: "I need to leave now, otherwise I will be late."
No, typically a comma is not needed after "otherwise" at the beginning of a sentence. It is not a coordinating conjunction that requires a comma to separate independent clauses.
When you park in front of a meter, put quarters in it. Otherwise, you may find you have a ticket when you return. This example uses the word otherwise and a comma correctly.
You generally use a comma before "and" only if it is separating two independent clauses in a sentence. Otherwise, you most often do not need a comma before or after "and" when it is used to connect items in a list or to join words or phrases in a sentence.
it needs a comma
"In five years, things happened." Yes you do need a comma.
No, a comma is not always needed after "then" at the beginning of a sentence. It depends on the context and structure of the sentence. If "then" is used as a conjunction to connect two clauses, a comma may be necessary; otherwise, it is typically not required.
No. There is no word in English that always requires a comma before it.
Not necessarily. The comma indicates a pause in speech. Use a comma after "but" only to indicate a noticeable pause in speech. If there is no pause, there should be no comma.
No
No, you do not need to put a comma after "To begin with" when it is used as an introductory phrase in a sentence.
No, you do not typically need a comma after "oh" when used at the beginning of a sentence. It is often used as an interjection to express emotions, and a comma is not required in this case.