What is the unit digit in 456^94?A] 7 B] 1 C] 6 D] 4Options :ABCD
Question
Solution 1
The unit digit of any number raised to a power can be found by looking at the cyclicity of the unit digit.
The number 456 ends in 6. The cyclicity of 6 is 1, which means the unit digit remains 6 no matter what power it is raised to.
Therefore, the unit digit of 456^94 is 6.
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