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Arationalnumber is an integer that either doesn't have a decimal or has a decimal that eitherrepeatsorterminates(ends). Basically, if these square roots come out to be an integer, they're rational.The first one comes out to be 42.6028168083, so obviously not rational.The second one comes out to be 55, so it is rational.B is your answer.Don't forget to rate this the Brainliest answer!...