Question

The proper way to write a single digit whole number in a sentence is:

in numerals

in roman numerals

spelled out with a hyphen

Answer 1

Just spelled out.

Answer 2

The correct answer for the given question above would be the last option. The proper way to write a single digit whole number if it is in a sentence should be SPELLED OUT and not written in numerals or roman numerals. For example, I have SIX apples; and not I have 6 apples.