Six very good friends decide they will have lunch together ecery day . In how many different ways can they line up in the line ?

Explanation

To solve the problem of how many different ways six friends can line up, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the number of friends**: We have 6 friends who want to line up.

2. **Understand the arrangement**: When arranging 'n' distinct objects (in this case, friends), the number of ways to arrange them is given by the factorial of 'n', denoted as n!.

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