Define Real Numbers: Define what a real number is.A real number is any number that can be found on the number line, including both rational numbers (such as 2, 31, or 0.75) and irrational numbers (such as 2 or π). Real numbers include both positive and negative numbers, as well as zero.
Locate Number 4: Determine if 4 can be found on the number line.The number 4 is a positive integer, and all positive integers can be located on the number line. Therefore, 4 is a real number.
Choose Correct Answer: Choose the correct answer based on the definition and the properties of the number 4. Since 4 is a real number, the correct answer to the question is "yes".