In how many ways can 9 examination papers arranged so the best and the worst papers are never together?

Explanation

To solve the problem of arranging 9 examination papers such that the best and worst papers are never together, we can follow these steps:

### Step 1: Calculate the Total Arrangements
First, we need to find the total number of arrangements of the 9 examination papers without any restrictions. This can be calculated using the factorial of the number of papers.

\[ \text{Total arrangements} = 9! = 362880 \]
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