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Answer: A rational number is any number that can be expressed as a whole number, a fraction, or as a non repeating decimal. Otherwise, it is an irrational number.
19/5: it is a rational number because it is in fraction form
√12: this is an irrational number
√49: this is a rational number because when you simplify this you will get the answer 7, that is a whole number.
0.3425563758: This is a decimal, hence, this is rational.
4/25 : it is a fraction so it is a rational number.
√1/8: this is an irrational number
√0.6¯: this is an irrational number
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Your Pal Papaguy
√12 irrational = 2 sqrt (3)
19/5 irrational cannot be simplified
√49 rational = 7
0.3425563758 if this is the last number rational if this continues irrational
√4/25 rational 2/5
√1/8 irrational = 1/(2sqrt(2))
0.6 rational