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

Find the least common multiple of x2 – 2x – 15 and x2 + 2x – 3. (x + 3)(x – 1)(x + 5) (x – 5)(x + 3)(x – 1) (x – 5)(x + 1)(x + 3) (x + 5)(x + 3)(x + 1)

What is the setting of the passage? A. a rehearsal B. a recital C. an examination D. an unveiling

The roof word of dislike addition preview unfriendly slowest

HELP WITH EXPLANATION, NO LINKS

“Some [Americans] saw the election of Bill Clinton as a repudiation of Reaganomics. . . . But in fact when Bill Clinton . . . signed the welfare reform law in A

What is zero raised to the power zero?

What’s an example of a single displacement reaction in everyday life

expand and simplify (x+3)(x+5)

Is my answer correct?

A father shared a sum of money amongst his three sons Carl, Luke and Joe in the ratio of 4:2:3 respectively. If Carl received $200. How much was the total money