Only solve 5, 7 and 9

Finding Partial Sums In Exercises 5-10, find the sequence of partial sums S,, S2, S3, S,, and S5. 5. 1 + + + 16 + 25 + . .. 2 3 4 5 6. + + + 2 . 3 3 . 4 4 . 5 5 . 6 6 . 7 7. 3 - 27 81 + 243 2 + 4 16 8. 1 + + + + 10 + . 3 (- 1)+1 9. 10. 2n -1 n! 1 = 1 1 = 1