Real Numbers System

Front

What is a natural number?

Back

A natural number is a positive integer, starting from 1, and includes all whole numbers greater than or equal to 1.

Front

Is 10/2 a natural number?

Back

Yes, 10/2 equals 5, which is a natural number.

Front

What is the classification of the number -23?

Back

-23 is classified as a real number, rational number, and an integer.

Front

What is the square root of 93 classified as?

Back

The square root of 93 is classified as an irrational number.

Front

What type of number is 3?

Back

3 is a natural number, whole number, integer, rational number, and real number.

Front

Define a rational number.

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; its decimal representation goes on forever without repeating.

Front

Can a number be both rational and irrational?

Back

No, a number cannot be both rational and irrational; they are mutually exclusive categories.

Front

What is the difference between whole numbers and integers?

Back

Whole numbers include all natural numbers and zero, while integers include all whole numbers and their negative counterparts.

Front

Is 0 a natural number?

Back

No, 0 is not considered a natural number; it is a whole number.