Question

3. The following real numbers have decimal expansions as given below. In each case,
decide whether they are rational or not. If they are rational, and of the form , what can
you say about the prime factors of q?
9
(i) 43.123456789
(ii)0.120120012000120000. ..
(ii) 43.123456789

Answer 1

0.120120012000120000 is ans