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Chapter 0: Problem 42

Give an example of a number that is a rational number, an integer, and a real number.

Short Answer

Expert verified
An example of a number that is a rational number, an integer and a real number would be 2.

Step by step solution

01

Rational Number

Choose an integer, for example, 2. It can be written as a fraction as \( \frac{2}{1} \), so it is a rational number.
02

Integer

The number 2 is a whole number, without a decimal or fraction attached, which makes it an integer.
03

Real Number

The number 2 falls on the continuous number line, and hence is a real number. Therefore, the number 2 is a rational number, an integer, and a real number.

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Most popular questions from this chapter

Simplify by reducing the index of the radical. $$\sqrt[3]{x^{6}}$$

Determine whether each statement makes sense or does not make sense, and explain your reasoning. Using my calculator, I determined that \(6^{7}=279,936,\) so 6 must be a seventh root of \(279,936\).

Factor completely. $$ x^{2 n}+6 x^{n}+8 $$

Determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement. $$ x^{3}-64-(x+4)\left(x^{2}+4 x-16\right) $$

Describe what it means to raise a number to a power. In your description, include a discussion of the difference between \(-5^{2}\) and \((-5)^{2}\)
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