Evaluate the expression. If the answer is not an integer, round to four decimal places.
$9 !$

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. The value is not an integer, $9 !=\square$.
(Round to four decimal places as needed.)
B. The value is an integer, $9 !=\square$.
(Type an integer.)

Answer

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Answer

$\boxed{362,880}$ is the final answer.

Steps

Step 1 ：The expression $9 !$ represents 9 factorial, which is the product of all positive integers from 1 to 9.

Step 2 ：So, $9 ! = 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1 = 362,880$.

Step 3 ：$\boxed{362,880}$ is the final answer.