Question

What's is the unit digit of {(6374)^1793 × (625)^317 × (341)^491}

Answer 1

hey the unit digit should 0 because 5 raised to how much power will come 5 and 4 raised to how much power will be a multiple of 2 and 2*5= 10 and hence the last digit should be 0 because 10 times any no. will give 0 at the end

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