A computer has 16 ports. Assume that at any given time each port is either in use (u), not in use but operable (n) or inoperable (i). How many configurations are possible in which 10 ports are in use, 4 are not in use but operable and 2 are inoperable?
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Step 1: Calculate the factorial of 16, 10, 4, and 2. Show more…
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