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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?

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by balaDial

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