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What numbers are irrational. Square root of 45, square root of 64, square root of 21 , and square root of 21

User Holloway
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2 Answers

5 votes

Answer: is A, C, D

A. √45= 6.7082039324993690892275210061938

B. √64= 8

C. √21= 4.582575694955840006588047193728

D. √21= 4.582575694955840006588047193728

Explanation:

An Irrational Number is a real number that cannot be written as a simple fraction.

User Oscaroscar
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The square of 45 and square root of 21 are irrational. The square root of 64 is rational
User Tim Schwalbe
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