Final answer:
617.79 is not an integer as it has a decimal part.
Step-by-step explanation:
617.79 is not an integer.
An integer is a whole number that does not have any fractional or decimal parts. It can be positive, negative, or zero. Examples of integers include -5, 0, 3, and 100.
617.79 has a decimal part (0.79), so it is not an integer. However, it is a real number.