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  • Find the unit digit of the following expression 567^4
Multiple choice general knowledge math & puzzles

Find the unit digit of the following expression 567^4

  1. 7

  2. 9

  3. 3

  4. 1

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

To find the unit digit of 567^4, we only need to consider the unit digit of the base, which is 7. Calculating the powers of 7: 7^1=7, 7^2=49, 7^3=343, 7^4=2401. The unit digit is 1. Distractors like 7, 9, and 3 represent other steps in the power cycle.

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