Respuesta :

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.066.... if x=0.0666

100x-10x=6.666-.666

90x=6

x=1/15  so it is rational  (as is any repeating numerical pattern)

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16 can be expressed as 16/1 so it is rational...

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√49=±7=±7/1, so it is rational

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√17, seventeen is prime so the square root is irrational as it cannot be expressed as a ratio of two integers...

So only √17 is irrational from your list :)

The number that is an irrational number is√17.

What is an irrational number?

An irrational number is a number that cannot be expressed as the ratio of two numbers. It is a number that cannot be expressed as a simple fraction.

The square root of 17 is an irrational number because it cannot be expressed as a simple fraction.

To learn more about irrational numbers, please check: https://brainly.com/question/2197288

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