What is the remainder when is divided by 13?
Answer and explanation
Correct answer: C. 7
- Step 1: Find the pattern of remainders of modulo 13: 2, 4, 8, 3, 6, 12, 11.
- Step 2: The cycle repeats, and .
Answer
7.
Why not the others: 9: it divides the exponent instead.
Practise more Properties of Integers.
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