What is the remainder when is divided by 13?
Answer and explanation
Correct answer: C. 3
- Step 1: Find the pattern of remainders of modulo 13: 3, 9, 1, 3, 9, 1, 3.
- Step 2: The cycle repeats, and .
Answer
3.
Why not the others: 4: it divides the exponent instead.
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