Geometric sequences. Find sum of the finite geomtric sequence. #55 , #61
588 Chapter 8 Sequences, Series, and Probability R廻sum of a Finite Geometric Sequence In Exercises 55-64, find the sum of the finite geometric sequence. 7 55. Σ4n_1 57. Σ(-7)n-1 59. Σ 3(3)" 56. Σ er-1 58. S 5(-2)"-1 60. Σ5er 62. Σ 500(1.04)" 64. Σ1oG)"-1 n-1 20 40 n-0 n-0 61 Σ 200(1.05)" n-0 40 50 n=0 n-0 Using Summation Notation In Exercises 65-6 use summation notation to write the sum
