Question 23 • Geometry
Since 9! = 9 × 8 × 7 × 6 × 5 × 4 × 3!, the 3! in the denominator cancels with the matching factor in the numerator. Then 9 × 8 × 7 × 6 × 5 × 4 = 60,480, so the correct choice is 60,480.
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