sirfish sirfish

20-03-2019
Mathematics

contestada

what is the sum of the first 7 terms of the series

-8+16-32+64-...?

Respuesta :

yungcee247 yungcee247

20-03-2019

Answer:

It should be -344

Step-by-step explanation:

The common ratio is -2.

Using this common ratio you can find the remaining 3 numbers.

Which are: 64(-2) = -128, -128(-2) = 256, and 256(-2)= -512

-8+16-32+64-128+256-512 = -344

Answer Link

Otras preguntas

can i have a sentence using geocentric

Which works are about animals that are very independent? a. "Stray" and "Ode to Mi Gato" b. "Rum Tum Tugger" and "The Naming of Cats" c. "Ode to Mi Gato" and "

Write a number with an 8 in the hundred place

During which decade did transcontinental rail service begin in the United States?

Why is melting a physical property of the wax, but flammability is a chemical property?

Help me.. please What term is applied to the first part of the U.S. constitution? 1. Preamble 2. Articles 3. Amendments 4. Declaration

How long does it take a snail to crawl 85 inches?

Why are ecological pyramids shaped as pyramids? A.Because there is a large decrease in the amount of energy or biomass as you move from one trophic level up to

what is a chemical property of iron?

Church membership was not a requirement for the right to vote in Connecticut. a. True b. False