5,000,000
28" or 2'4"
If the number is accurate to two decimal places then you write it exactly as in the question.
It is 21878.92, exactly as in the question.
That is numeric.
470 = CDLXX
00610418452911
Exactly as in the question.
5,000,000
28" or 2'4"
6' 3"
If the number is accurate to two decimal places then you write it exactly as in the question.
You cannot. Inches are a measurement unit; here is no intrinsic numerical value.
75 km is a good enough numeric format.
It is 21878.92, exactly as in the question.
The numeric or standard format is 125,000
That is numeric.