Question

In Problems 11–16, evaluate each factorial expression.

$9!$

Short answer

The value of the given factorial expression is 362880

Step-by-step solution

Step 1. Write the given information.

The given factorial expression is $9!$

The formula of factorial is

$n!=n(n-1)!$

Step 2. Evaluate with the help of factorial formula.

We have to evaluate factorial of 9.

$$\begin{gathered} 9!=8\times 7! \\ 9!=9\times 8\times 7\times 6\times 5\times 4\times 3\times 2\times 1 \\ =362880 \end{gathered}$$

So,

$9!=362880$