What is the remainder after dividing the number 37^{1000} by 9?
- A. 1 ✓
- B. 3
- C. 7
- D. 9
Correct Answer: A. 1
Explanation
Since 37 \equiv 1 \pmod 9, applying the exponent gives 37^{1000} \equiv 1^{1000} \equiv 1 \pmod 9. The remainder is 1.
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