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units digit in expansion os 2 raised to 51 is:
2 4 6 8
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Answer Posted / swapnil
2 power 1 = ends with 2
2 power 2 = ends with 4
2 power 3 = ends with 8
2 power 4 = ends with 6
------------------------------
2 power 5 = ends with 2
then this cycle continues, so we can conclude that,
2 power 49 = ends with 2
2 power 50 = ends with 4
2 power 51 = ends with 8
| Is This Answer Correct ? | 174 Yes | 11 No |
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