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What is the unit digit in (4137)754?
1
3
7
9
Correct Answer:
9
Explanation:
Unit digit in (4137)
754
= Unit digit in {[(4137)
4
]
188
x (4137)
2
}
=Unit digit in { 292915317923361 x 17114769 }
= (1 x 9) = 9
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