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units digit in expansion os 2 raised to 51 is:
2 4 6 8
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Answer Posted / mahesh
2^51=?
unit digit values 2
2^1=2
2^2=4
2^3=8
2^4=6
.
.
.2^51=
51/4=rem(3)
2^3=8
so ans 8
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