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cuscuecer16
23.10.2019 •
Mathematics
What subset does 8.1 pi belong to
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Ответ:
Step-by-step explanation:
We are asked to find the subset to which 8.1 pi belongs.
We know that
is an irrational number. We also know that the product of any non-zero rational number and an irrational number is always irrational.
We can see that 8.1 is a non-zero rational number.
Therefore,
is an irrational number.
Ответ:
i think option 4 is correct answer.