Question: 7. Program Correctness I (1 point) Use the loop invariant (I) to show that the code below correctly computes (this sum represents the sum of

7. Program Correctness I (1 point) Use the loop invariant (I)

7. Program Correctness I (1 point) Use the loop invariant (I) to show that the code below correctly computes (this sum represents the sum of the first n powers of 2 where n 2 1). Algorithm 1 powSum(int n) while i

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