A real number dosen't have to be a rational number as a real number
can be rational or irrational i.e the root of 2 is irrational and real.
So is (pi).
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Not necessarily. All rational numbers are real, not all real numbers are rational.
A real number which is not a rational number is an irrational number.
Yes. -3 is both rational and real. -3 is an integer. All integers are rational numbers. All rational numbers are real numbers. Thus -3 is a rational number and a real number.
Yes, 34 is a real and rational number
Every integer is also a rational number and a real number.