Using the given equation, it is found that the fewest number of moves required for 7 disks is of 127.
What is the fewest number of moves needed with n disks?
It is given by the following equation:
[tex]a_n = 2^n - 1[/tex]
In this problem, we have 7 disks, hence the fewest number of moves needed is given by:
[tex]a_7 = 2^7 - 1 = 127[/tex]
More can be learned about equations at https://brainly.com/question/25537936
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