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OpenStudy (anonymous):
Is the square root of 729 rational or irrational? Help please!
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OpenStudy (anonymous):
27. Rational.
OpenStudy (anonymous):
Thank you!
OpenStudy (anonymous):
np =)
OpenStudy (anonymous):
It's rational because √729 = 27. 27 is a rational number, so it's rational. Any square root of numbers that aren't perfect squares, are irrational. √5 is irrational. √68 is irrational. √64 is rational.
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