Answer
$362, 880$
Work Step by Step
Definition of a factorial $n!=n(n-1)(n-2).....3\cdot 2 \cdot 1$
Using the definition above gives:
$9!=9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1=362, 880$
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