Chapter DPT, Problem 15E

Work all of the problems in this self-test without using a calculator. Then check your work by consulting the answers in the back of the book. Where weaknesses show up, use the reference that follows each answer to find the section in the test that provides the necessary review.

15.    Indicate true (T) or false (F):

(A)    A natural number is a rational number.

(B)    A number with a repeating decimal expansion is an irrational number.