5 = 5.000
5, therefore, is not irrational as it does not contain a perpetual non-repeating character string after the decimal.
However, 5 is a prime number.
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Irrational.
5.4 = 5 2/5 = 27/5 so it is a rational number.
No.No.No.No.
No, 6 over 5 is not irrational. Irrational numbers cannot be expressed as a ratio of two integers. In this case, 6 over 5 simplifies to the rational number 1.2, which can be expressed as a ratio of 6 to 5.
No. Irrational numbers can not be expressed as a ratio between two integers.