parisfrance896 parisfrance896

11-03-2016
Mathematics

contestada

find the sum of the geometric series -3,15,-75,375 when there are 9 terms and select the correct answer below

Respuesta :

Аноним Аноним

11-03-2016

The sum to nterms:

Sn=a(r^n - 1) / (r-1)

r=15/-3=-5
a=-3

Sn=-3(-5⁹ - 1) / (-5-1)=-976563

Answer; -976563

Answer Link

Otras preguntas

how does a location affect how an earthquake does damage??

In classical drama, violence happened off stage and was communicated to the audience by

Do all contraceptives effectively protect against STDs

Please help, Geometry I have NO idea how to do this. Both Pictures! (#36, #37) WILL MARK BRAINLIEST!

Write in simplest form: 3 8/10 + 5 7/9

why is precipitation typically associated with fronts?

The Porters need to buy a dining set for their new house. The same dining set has a retail price of $1,500 at three different stores. Each store is offering a d

Given: ∠GHD and ∠EDH are right; GH ≅ ED Which relationship in the diagram is true? △GHD ≅ △EDH by SAS △GHF ≅ △EDF by SSS △FDH ≅ △FDE by ASA △HFD ≅ △HFG

orge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. The original photo was 800 pixels wide by 600

A can of sardines costs 16.75. A can of pork and beans cost 21.50. What is the total cost for 10 cans each? What are the given facts? What is asked in the pro