Rashawnsf Rashawnsf

22-12-2018
Mathematics

contestada

Find the sum of the geometrical equation -3 , 18 , -108 , if there are 7 terms

Respuesta :

lily07182008 lily07182008

22-12-2018

Answer:

S7=−39991

Explanation:

In this sequence we have: a1=−1, q=−6, n=7. If we apply the formula for Sn we get:

S7=(−1)⋅1−(−6)71−(−6)

S7=(−1)⋅1+2799367

S7=−39991

hope it helps plz mark as brainliest

Answer Link

Otras preguntas

a= -3i g=2i - 1lj Find: -a - g

Help ASAP, "the quotient of eight and a number plus 7"

Early in the current year, Tokay Co. purchased the Silverton Mine at a cost of $31,420,000. The mine was estimated to contain 290,000 tons of ore and to have a

The speedometer shows the cart’s speed, or how fast it moves. A speed of 30 cm per second means the cart moves 30 cm every second. What was the final speed of t

Find the mode for the scores 3,850 5,300 8,550, 4.300: 5,350

2 angles are said to be complementary if their sum is what?

How to create a web page using html ?

A-go verb is a verb that end in -go in the yo form. The other forms DO NOT END IN -GO. complete the sentences by conjugating the correct form of the verb.

find the number that belongs in the green boxround your answer to the nearest tenth

Did the founding fathers intend for the creation of safe seats in the House of Representatives?