Question

.

The number -13 can be classified as:

real and natural

real and whole

real and integer

real and irrational

Answer 1

Number -13 is classified as real and integer

Solution:

Given that The number -13 can be classified as

Let us first understand about real numbers, whole numbers, Integers and irrational numbers

Whole numbers:

Whole numbers are positive numbers, including zero, without any decimal or fractional parts. Negative numbers are not considered "whole numbers."

But -13 is a negative number. Therefore -13 is not a whole number

Real numbers:

Positive or negative, large or small, whole numbers or decimal numbers are all Real Numbers. They are called "Real Numbers" because they are not Imaginary Numbers.

Therefore -13 is a real number

Integers:

An integer is a whole number (not a fractional number) that can be positive, negative, or zero. Examples of integers are: -5, 1, 5, 8, 97, and 3,043.

Therefore -13 is a integer

Irrational number:

An irrational number is real number that cannot be expressed as a ratio of two integers. An irrational number is not able to be written as a simple fraction because the numbers in the decimal of a fraction would go on forever

But -13 can be expressed in fraction as
`-13 / 1`

Therefore -13 is not a irrational number

Thus we can conclude that number -13 is classified as real and integer