The number \(-1005\) is a rational number because it can be expressed as a fraction (e.g., \(-1005/1\)). Additionally, it is also an integer because it is a whole number without any fractional or decimal part.
Here's how we categorize it:
- Real Numbers: All integers, rational numbers, and irrational numbers are real numbers.
- Rational Numbers: Any number that can be expressed as a fraction of integers, including integers themselves.
- Integers: Whole numbers that can be positive, negative, or zero.
- Whole Numbers: Non-negative integers (0, 1, 2, ...). Since \(-1005\) is negative, it is not a whole number.
Thus, the appropriate set of numbers for \(-1005\) is:
Real, Rational, Integer.