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Which of the following rational no. has terminating decimal expansion (a) 13 by 3125 b) 29 by 343 c) 77 by 210 d)1 by 7 |
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Answer» re MARK ME AS BRAINLIST THERE IS A TRICK TO SOLVE SUCH QUESTION WHICH IS THE DENOMINATOR SHOULD BE A FACTOR OF 2 TO THE POWER N OR 5 TO THE POWER N OR BOTH( MEANS 2^N*5^N)FIND THE FACTORS OF DENOMINATOR AND YOU WILL KNOW |
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