Answer:
The Irrational number is C)90
because when you look for the root of ninety, it gives you a result that is not a natural or Rational number, but a completely Irrational number.
the result is 9.4868329
Step-by-step explanation:
Irrational numbers
are numbers that cannot be expressed as the ratio of two whole numbers. This is opposed to rational numbers, like 2, 7, one-fifth and -13/9, which can be, and are, expressed as the ratio of two whole numbers.
hope this help!!
