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

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

Activities that involve the production or purchase of merchandise and the sale of goods and services to customers, including expenditures related to administeri

The authors use the statistics in this excerpt to describe the complexity of sumo scorekeeping. explain in detail the intricacies of sumo wrestling. make a case

Some companies resort to questionable means to enforce computer use policies. They use surveillance software to monitor employees' IT use. Every activity on the

Find the 20th term from the last term of the AP:3,8,13,..., 253.

David is making rice for his guests based on a recipe that requires rice, water, and a special blend of spice, where the rice-to-spice ratio is 15 : 1 15:1.He c

A circle has an area of 30in². What is the area of a 60° sector of this circle?

One kilogram of butane (C4H10) is burned with 25 kg of air that is at 308C and 90 kPa. Assuming that the combustion is complete and the pressure of the products

Which force is there between an ice skate and the ice

54x^3y+ 81x^4y^2 factorise

Current assets. A. Things of value you can liquidate easily like cash and or stocks. B spreading cost over time. C a building is an example.