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units digit in expansion os 2 raised to 51 is:
2 4 6 8
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Answer Posted / abhijeet gupta
8
beacause 2 pow 1=2
2 pow 2 =4
2 pow 3 =8
2 pow 4 =16 end with 6
2 pow 5 =32 end with 2
-------------------------------------------------------------
so 2 pow 49 =end with 2
50 =end with 4
51=end with 8
| Is This Answer Correct ? | 63 Yes | 3 No |
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