Eight thousand.
8000 75,000, 600, 23
8000 = 8x103
Twelve.
If they know the language, then yes. They also "borrow" English words and on occasion write them in English instead of katakana.
(VIII)
30 = thirty
Sixty-one.
John Milton contributed over 630 words to the English language. His works, especially "Paradise Lost," introduced many new words and phrases that have now become part of the English lexicon.
Please write your question in English, if you know how to write in English.
Eight thousand.
650 can be written as "six hundred fifty" in English words.