You would write it exactly as in the question: 9000
You would write it exactly as in the question: 9000
You would write it exactly as in the question: 9000
You would write it exactly as in the question: 9000
You write it as 9000, exactly as it appears in the question!
You would write it exactly as in the question: 9000
9000 is a number.
They are already expressed as numeric numbers.
You have written 17 in numeric numbers in your question.
8 in numeric numbers is VIII.
1995 in "numeric numbers"(?) is 1995. In Roman numerals it would be MCMXCV.
$10.00
DD
5000
XX
(VI)
45,000
CV
MCDXXXVI