Yes pi is an irrational number because it cannot be expressed as a fraction
No, it is rational.
No -3 is not an irrational number
No because 30 is a rational number
10.86 is a rational number
29 is a rational number and it is also a prime number
The square root of 20 is an irrational number
The square root of 9 is 3 which is a rational number
The square root of an irational number must, itself, be irrational.
Yes because it is a terminating decimal that can also be expressed as a fraction.
14 is an integer. and irational number is a top heavy fraction, i, e, a number of the form a/b with a>b, b not equal to 1
It is equal to 21/2 which is a rational number
rational