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

article VI of the constitution, which includes the supremacy clause, ensures that: A) the process of amending the constitution remains clear. B) federal laws
HELP PLEASE! EASY! How many stars does the barred-spiral galaxy contain?
two ways in which gender inequality/unequal power relations can contribute to the spread of HIV infections
Help with number 22 please
Which of the following are peninsulas in Southeast Asia?
How did rome's government change after the republic fell apart?
What best explains why Animal Farm is an example of a fable? The characters and action represent abstract ideas and generalities. The author uses irony to poke
#16 and #20! Please help!!!
Marquis has a gross pay of $816. by how much will his gross pay be reduced if marquis has the following items withheld?federal tax of $92social security tax tha
true or false magic realism refers to work that includes reality with touches of fantasy