8 in numeric numbers is VIII.

It's already a numeric number

The number 72, when divided by 9, the correct answer is 8. This is not a four digit numeric. To express 72 as a four digit numeric, write 0072. 0072 / 9 = 8.

4020096 IS in numeric form.

we write 5 in roman number like this :- V

A number must, surely, be numeric! I suggest writing it as 24000.

9000 is a number.

As in the question it is 13

Exactly as in the question.

It is already a numeric number but if you mean in Roman numerals then it is LXXIV in today's notation of Roman numerals.

7.50 is in numeric form.

1000 is a number.

Four hundred fourteen.

Exactly as it was written in the question!