75,000 = seventy-five thousand.
seven and forty-three thousandths or, simpler: seven point zero four three
The standard form is 17,034,949
Fifteen million, six hundred forty-eight thousand, seven hundred sixty-four.
A point.
No, a hyphen is not needed.
The correct spelling of hyphen is nephyh
No.
No, faux pas doesn't require a hyphen.
No.
Yes
Yes
No it doesn't require to be hyphenated.
These are two words. There is no hyphen in the concept. In charge means to have leadership in English, so there is no hyphen to connect the two.
Yes. "Hard-working" is a compound adjective, and therefore requires a hyphen between the two words. It is also correct to omit the hyphen and use the single word, "hardworking."
Yes it should be hyphenated.
No, they are two separate words.