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Solved Problems
129 / 2^2 5^7 7^5 will have terminating decimal or non terminating decimal expansion.
Without actually performing the long division, state whether 129 / 2^2 5^7 7^5 will have terminating decimal or non terminating decimal expansion.
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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 p/q, what can you say about the prime factors of q?
(i) 43.123456789 (ii) 0.1201200
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 p/q, what can you say about the prime factors of q?
(i) 43.123456789
(ii) 0.120120012000120000
(iii) 43.123456789
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