Question

Is 1.23456789 is rational or irrational yes or not

Answer 1

Step-by-step explanation:

An Irrational Number is a real number that cannot be written as a simple fraction.

Irrational means not Rational

 

rational vs irrational

 

Let's look at what makes a number rational or irrational ...

Rational Numbers

A Rational Number can be written as a Ratio of two integers (ie a simple fraction).

Example: 1.5 is rational, because it can be written as the ratio 3/2

Example: 7 is rational, because it can be written as the ratio 7/1

Example 0.333... (3 repeating) is also rational, because it can be written as the ratio 1/3

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