samkay2835 samkay2835
  • 03-03-2021
  • Mathematics
contestada

what is the sum of the geometric sequence 1,3,9... If there are 14 terms?

Respuesta :

irspow
irspow irspow
  • 03-03-2021

Answer:

Step-by-step explanation:

[tex]s_n=\frac{a(r^n-1)}{r-1},\ a=initial,\ r=common\ ratio,\ n=term\ number\\ \\ s_{14}=\frac{1(3^14-1)}{2}\\ \\ s_{14}=2391484[/tex]

Answer Link

Otras preguntas

1.) (-4,-3); m=2/3 given point, then graph a line with the given slope
Hi, dude. I need help yo ok? Do my homework. Wanda, Darren, Beatrice, and Chi are tutors in the school math lab. Their schedule is as follows: Darren works ever
which word below completes this synonym/antonym analogy? failure: success:: forget: A. remember B. ignore C. disregard D. neglect
Sam can read k pages in 20 minutes. In terms of k, how many minutes does it take Sam to read 1 page?
7 – 2 • 5 + 9 • 3 Question 1 options: 24 –30 102 18
In tge sentence " I would like to know the answer. The phrase to know the answer is a?
7 – 2 • 5 + 9 • 3 Question 1 options: 24 –30 102 18
Consider the graph below Find the y-intercept and slope of the line. Fill in the blanks in the statement. The y-intercept of the line is ______, and the slope o
Actual distance = _ miles
A Streetcar Named Desire thesis essay