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Is the square root of 81 rational or irrational number and is 5 divided by 3.14 rational or irrational.

Is the square root of 81 rational or irrational number and is 5 divided by 3.14 rational or irrational.
asked 21.3k views
1 vote
is the square root of 81 rational or irrational number and is 5 divided by 3.14 rational or irrational.

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User Knarz
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7.2k points

2 Answers

3 votes
5 divided by 3.14 = 1.5923566879 so it is irrational.
answered
User Lefsler
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7.6k points
5 votes
square root of 81 = 9 so it is rational number

5 divided by 3.14 = 5/3.14 = 500/314 so it is rational as well.


answered
User Dankirkd
by
8.1k points
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