which of the following is a rational number

A.24
B.49
C.62
D.39
there all square roots, i need the answers please!!!!

4 answers

https://www.mathsisfun.com/definitions/rational-number.html
sqrt 24 = sqrt (4*3*2) = 2 sqrt 6 , nah
sqrt 49 = 7, which is pretty rational
sqrt 31 is nasty
sqrt 13 is nasty

so its 49?

well, 70/10 = 7

887

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