How many ways can 13 students line up for lunch?

The number of ways of doing so is:

            6227020800

Step-by-step explanation:

We know that the number of ways of arranging n people or things or number is done by the rule as:

                              n!

We know that the formula is given by:

Here we are asked to arrange 13 students in a line for a lunch.

So, the number of ways of doing so is calculated as:

      Hence, the number of ways of doing so is:

              6227020800

{3 + i, 3 - i, 3, -1}

step-by-step explanation:

here is the

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