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 canyou say about the prime factors of q?
(i) 43.123456789 (ii) 0.120120012000120000. . .
NCERT Class X
Mathematics - Mathematics
Chapter _Real Numbers
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(i) is rational
q contains only 2 and 5 as prime factors.
q contains only 2 and 5 as prime factors.
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