Q.2: Which of the following rational numbers have the terminating decimal representation? (1) 3/5 (ii) 7/20 (iii) 2/13 (iv) 27/40 (v) 133/125 (vi) 23/7
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Answer:
The prime factors of 20 are both 2's and 5's. Hence 7 / 20 has a terminating decimal.
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