Question

10 The following real numbers have decimal expansions as given below. In each case,
state whether they are rational or not. If they are rational and expressed in the form
2, where p, q are integers, q0 and p, q are co prime, then what can you say about
the prime factors of q?
(1) 37.09158 (ii) 423-04567
(ii) 8.9010010001... (10) 23476817681...​

Answer 1

Answer:

i. rational ii. rational. iii irrational. iv irrational