Question

4²=27 is rational or irrational

Answer 1

Answer:

Step-by-step explanation:27 = 33 = 32 * 3

sqrt(27) = sqrt(32 * 3) = 3*sqrt(3)

sqrt(3) can't be expressed as the ratio of integers and when written as a decimal it does not terminate, so it is irrational. Thus sqrt(27) is itself irrational.