What is the remainder when (7)^100 is divided by 4?

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Answer: B. 1

We can write 7 as (8-1).Any power of (8-1)divided by 4 will have the same remainder as (-1)^100 divided by 4.Since (-1)^100 = 1, the remainder is 1.

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What is the remainder when (7)^100 is divided by 4?

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