Respuesta :

altavistard
61 pie  (please spell this "pi," not "pie.")  pi is irrational, so 61 pi is also irrational.

42  R

75.671523    If the fraction stops here (i. e., does not repeat), then this is R.

101      same as 101/1.  R
6/5       this is the ratio of 2 integers.  R