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Is the cube root of 81 rational or irrational?

Is the cube root of 81 rational or irrational?
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2 votes
Is the cube root of 81 rational or irrational?

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User Moubeen Farooq Khan
by
7.9k points

2 Answers

5 votes
Rational because 81 square is 9
answered
User Joshua Barker
by
8.2k points
5 votes
Rational because the cube root is 9
answered
User Atul Dhanuka
by
8.7k points
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