An irrational number is a number that cannot be expressed as a fraction. So whole numbers and fractions are out. You can then just make a number like 6.34298374923743333333. You put a bar over the 3 so it repeats, and the number cant be expressed as a fraction, makin git an irrational number.
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The two square roots are irrational.
No. Irrational numbers can not be expressed as a ratio between two integers.
Irrational.
5.4 = 5 2/5 = 27/5 so it is a rational number.
5 = 5.0005, therefore, is not irrational as it does not contain a perpetual non-repeating character string after the decimal.However, 5 is a prime number.