Question

Find the rightmost non-zero digit of
80^1365 .
(A) 4 (B) 2 (C) 8 (D) 6

Answer 1

Find the rightmost non-zero digit of

80^1365 .

(A) 4 (B) 2 (C) 8 (D) 6

C) 8 is the answer

Answer 2

Answer:

Step-by-step explanation:

look at 8. It is a cyclic number. When we divide 1365 by 4 we get remainder = 1 and 8 raise to the power 1 is 8. So option c . Here we are dividing by 4 because the cyclicity of 8 is four