What is the ones digit in the number 3^2068

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asked May 14, 2023 90.9k views

21 votes

What is the ones digit in the number 3^2068

Mathematics
college

Eino Gourdin asked

by Eino Gourdin

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1 Answer

8 votes

Answer:

Explanation:

3 9 27 81 3^5 = 2433^6 = 243*3 = 729 So the units digiit appears to cycle in this roup of 4: 3 9 7 1 3 9 7 1 2086/4 = 2086/4 = 521 R 2 so units digit will be 9

Andlabs answered May 20, 2023

by Andlabs

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