Answer: 0 and 5.252525...
Step-by-step explanation: 0 is an integer and and all integers are rational numbers so 0 must be rational.
5.252525... would be another example of a rational number. Since the decimal does not terminate, it could be an irrational number. However, notice that the 25 after the decimal repeats and repeating decimals are classified as rational numbers.
Therefore, 5.252525... must be a rational number.
