What they do depends on their needs, whosoever they may be.
It is 217, exactly as in the question.It is 217, exactly as in the question.It is 217, exactly as in the question.It is 217, exactly as in the question.
It is 10 - exactly as in the question.It is 10 - exactly as in the question.It is 10 - exactly as in the question.It is 10 - exactly as in the question.
You could write it exactly as in the question.You could write it exactly as in the question.You could write it exactly as in the question.You could write it exactly as in the question.
Yes, exactly is an adverb.
No, it is not a preposition. The word exactly is an adverb.