Answer :
Final answer:
Gavi can visit the colleges and return in 5040 different ways.
Explanation:
To calculate the number of ways Gavi can visit the colleges and return to his starting point, we use the concept of permutations. Since Gavi will visit all 7 colleges before returning, the total number of ways is 7! (7 factorial) which equals 5040.
Learn more about Permutations and Combinations here:
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