A decimal number is simply a way of representing a number in such a way that the place value of each digit is ten times that of the digit to its right.
The number is in decimal form!
The number in the question is in decimal form.
The number in the question is in decimal form!
It is already 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 the form of a decimal!
The number IS in decimal form!
The number IS in decimal form.
The number is already in decimal form!
It already is in decimal form.
11.25 is already in decimal form. It is a decimal number with two decimal places.