Exercise 63 Page 406

Before we consider the given number, let's recall the various types of numbers.

• Rational Number: A number is a rational number if it can be written in the form $\frac{a}{b},$ where $a$ and $b$ are both integers and $b\ne 0.$
• Irrational Number: An irrational number is a number that cannot be written in the form of a rational number. These are recognized as being non-repeating, infinite decimals.