Final answer:
In mathematics, the integer 3 represents a whole number that is not a fraction or decimal. Integers can be positive, negative, or zero and are used to count objects or represent quantities in various mathematical operations.
Step-by-step explanation:
In mathematics, if a field has an integer like 3, it represents a whole number that is not a fraction or decimal. Integers can be positive, negative, or zero. They are used to count objects or represent quantities in various mathematical operations.
For example, if X is the number of children in a family, then x represents a specific integer 0, 1, 2, 3, and so on.