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What does the notation n! (n factorial) represent?

A n × n
B n × (n-1) × (n-2) × ... × 1
C n + (n-1) + (n-2) + ... + 1
D nⁿ

✓ Correct Answer: Option B

n factorial (n!) is the product of all positive integers from 1 to n. For example, 5! = 5 × 4 × 3 × 2 × 1 = 120.

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