It is already in decimal form!
The number is in decimal form!
The number in the question is in decimal form!
The number in the question is in decimal form.
The number in the question is in decimal form!
The number in the question is in decimal form!
8.8286
The number in the question is in the form of a decimal!
618 is an integer and it has no simpler form.
The number IS in decimal form!
The number IS in decimal form.
It already is in decimal form.
The number is already in decimal form!