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PLEASE HELP EASY ALGEBRA What is the sum of the geometric sequence 1, 3, 9, β¦ if there are 10 terms?...
8 months ago
Q:
PLEASE HELP EASY ALGEBRA What is the sum of the geometric sequence 1, 3, 9, β¦ if there are 10 terms? A: 29,524 B: 55,987 C: 87,381 D: 88,573
Accepted Solution
A:
Each number in the 10-digit sequence is multiplied by 3
1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683
1*3= 3
3*3=9
9*3=27
27*3=81
81*3=243
243*3=729
729*3=2187
2187*3=6561
6561*3=19683
Total of numbers= 29524
ANSWER: A) 29,524
Hope this helps! :)