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 , where p, q are integers, q ≠ 0 and p, q are co-prime, then what can you say about the prime factors of q ? (i) 37.09158 (ii) 423. ̅0 ̅4 ̅5 ̅6 ̅7 (iii) 8.9010010001... (iv) 2.3476817681...