Final answer:
The expression 0 - 4/2 simplifies to -2, which is an integer and a rational number.
Step-by-step explanation:
The expression 0 - 4/2 can be simplified as 0 - 2, which equals -2.
The number -2 is an integer because it is a whole number that can be positive, negative, or zero.
It is also a rational number because it can be expressed as a fraction, -2/1. However, it is not an irrational number because it is not a non-repeating and non-terminating decimal.
Learn more about Types of Numbers