Express the following in decimal form.
(i) 7/5, 3/4, 23/10, 5/3, 17/6, 22/7
(ii) Which of the above are terminating and which are non-terminating decimals ?
(iii) Write the denominators of above rational numbers as the product of primes.
(iv) If the denominators of the above simplest rational numbers has no prime divisors other than 2 and 5 what do you observe?