Question: For Exercises 4550, write out the first three terms and the last term. Then use the formula for the sum of the first n terms

For Exercises 45–50, write out the first three terms and the last term. Then use the formula for the sum of the first n terms of an arithmetic sequence to find the indicated sum.30 (-3i + 5) i=1

30 (-3i + 5) i=1

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