<span>1.) Is 64 squared rational or irrational? Ans: Rational ---------------- 2.) Is -1.2 repeating decimal rational or irrational? Every repeating decimal is rational. Every non-repeating decimal is irrational. All whole numbers are rational. All fractions are rational. nth roots of a^k are irrational unless k is a multiply of n. Example: The cube root of 3^6 is rational but the cube root of 3^5 is not. Cheers, Stan H. </span>
