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7) Determine if the number is rational (R) or irrational (I)

7) Determine if the number is rational (R) or irrational (I)-example-1
User Joseph Bui
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Step-by-step explanation

A rational number can be written as a ratio of two integers. For example:

• 3.5 is rational, because it can be written as the ratio 7/2.

,

• 9 is rational because it can be written as the ratio 9/1.

,

• 0.3333... is also rational, because it can be written as the ratio 1/3.

On the other hand, an irrational number is a real number that can not be written as a simple fraction.

In the case of π (π = 3.141592653589...), after decimal point, the digits go on forever and ever. In other words, π is an irrational number because it is a real number that cann

User Cipous
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