Question

How many digits D(0-9 inclusive) satisfy the following property?
For each positive integer N, the remainder when D^N is divided by 10 is constant.
a) 0
b) 5
c) 1
d) 4​

Answer 1

Step-by-step explanation:

B}. 5

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Answer 2

Step-by-step explanation:

B}. 5

I hope it may help to you...