valentina733 valentina733
  • 03-08-2022
  • Mathematics
contestada

What is the sum of the geometric sequence -3, 18, -108,
if there are 8 terms?

Respuesta :

bunnuika
bunnuika bunnuika
  • 03-08-2022

Step-by-step explanation:

using gp formula

tn=ar^n-1

which our a which is the first term is = -3

our r which is t2/t1=-6

t8=(-3)(-6)^8-1

=(-3)(-6)^7

=(-3)(-279936)

=839808

Answer Link

Otras preguntas

what is 6421 in scientific notation
Which of the following statements does NOT describe how teens can create a healthy body image?A. Teens should limit comparisons of their body to others. B. Teen
Who do you write 0.632 into word form
triple the sum of 45 and 55
Why is cleisthenes generally considered the founder of Athenian democracy?
Jobs that turn raw materials or resources into usable finished products are part of the __________ sector.
WORTH 15 POINTS!!!! A tropical species of mite named A.L. is the record holder for the strongest insect in the world. It can lift up to 1.182 x 10^3 times its o
Identify as expression or equation 9=2x-4
what is the estimate of 324867 plus 6233
What numbers multiply to get 720