What is the remainder when is divided by 7?
Answer and explanation
Correct answer: D. 2
- Step 1: Find the pattern of remainders of modulo 7: 3, 2, 6, 4, 5, 1, 3.
- Step 2: The cycle repeats, and .
Answer
2.
Why not the others: 0: it divides the exponent instead.
Practise more Properties of Integers.
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