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Mathematics 7 Online
OpenStudy (friendzone):

Which number is IRRATIONAL? A) 49 B) 64 C) 72 D) 121

OpenStudy (callielovesyhuu):

72

OpenStudy (cwrw238):

the whole numbers belong the the set of Rational Numbers

OpenStudy (cwrw238):

* belong to

OpenStudy (cwrw238):

so these are all rational

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