Use the formula for the sum of the first n terms of a
Chapter 14, Problem 14.1.250(choose chapter or problem)
Use the formula for the sum of the first n terms of a geometric sequence to solve Exercises 3338. Find the sum of the first 12 terms of the geometric sequence: 3, 6, 12, 24,c.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer