cocoike3465 cocoike3465
  • 06-07-2019
  • Mathematics
contestada

What is the sum of the first 8 terms of the geometric series:

3+6+12+24+

0765

382

286

440

Respuesta :

Аноним Аноним
  • 06-07-2019

Answer:

765.

Step-by-step explanation:

Sum of n terms = a1 (r^n - 1) / (r - 1) where a1 = the first term and r = the common ratio.

Here r = 6/3 = 2 and  a1 = 3.

Sum of 8 terms = 3 * ( 2^8 - 1) / 2 -1)

= 3 * 255

= 765 (answer).

Answer Link

Otras preguntas

What is the theme of the story, "the Emperor's New Clothes"?​
help............................................
what is photosynthesisthe process of photosynthesis​
Anyone help .... XX Z Z Z Z Z
Relationships with family, friends and colleagues have which of the following in common? a. They all provide us with a way to explore our self-concept . b. They
Why is it important to understand the different health service? Answer it in 2-3 sentences
What are some ways that Wall-E himself got energy?
complete the tables and I will mark brainlist if correct.​
A product's demand per period is normally distributed with a mean of 100 and standard deviation of 10. The in-stock probability is 99%. The order-up-to model is
in febuary, john has $1000 in his account. in may, he had 2600. what is the rate of change?