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

Question

22-12-2018
Mathematics

contestada

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

Respuesta :

Otras preguntas

Describe the location of point (−5, −5, 5) in three-dimensional coordinate space. A.)From the origin, move 5 units forward, 5 units right, and 5 units down. B.)

what fraction of a gallon is 3 pints

135,000 total annual income . What is the amount is budgeted for clothing ??? -housing 22% -Saving 6% -insurance 11% -auto 12% -clothing 15% -leisure 13% -fo

Identify the expression as a numerical expression or variable expression. for a variable expression, name the variable. 1 x 12

A 5 pound bag of potatoes costs 2.85. a 3 pound bag of the same potatoes costs 1.80. which bag has the lower price how much lower

La soeur de Francoise est belle. Comment est la tienne? Be sure to use the long form of the possessive pronoun in your response. (Responds dans une phrase compl

What was the purpose of the concentration camps??

The Spanish explorer who did not explore North America was:

What led to the united states involvement in world war 11?

lily07182008 lily07182008 · Answer 1 · 2018-12-22T05:13:47+01:00

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