Problem 44 - Introductory Algebra for College Students

Question

Give an example of a number that is a real number, but not an irrational number.

Step-by-Step Solution

Answer

An example of a real number that is not an irrational number is 2.

Step 1: Understand types of numbers

Understand that real numbers consist of both rational and irrational numbers. Rational numbers can be expressed as a ratio of two integers while irrational numbers cannot.

Step 2: Identify a real number that's not irrational

Since any rational number is a real number that is not irrational, we can choose any rational number. For instance, let's choose a simple one like the number 2.