jksnakajsja jksnakajsja

14-04-2020
Mathematics

contestada

Evaluate the sum of the following finite geometric series.
5+15+45 +135+ . . . + 1215
Sn=1

Respuesta :

mobilegamingexpert mobilegamingexpert

14-04-2020

Answer:

1820

Step-by-step explanation:

The sum of the first n terms of a geometric series with common ratio r and first term a is:

a(1-r^n)/(1-r). Plugging this in 5(1-3^6)/(1-3)=1820

Answer Link

Otras preguntas

The Truman Doctrines top priority was to stop the spread of _____. A. Communism B. Fascism C. Totalitarianism D. Authoritarianism

Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns a

find the range of each function given the domain; g(m)=m^2;(-2,0,2)

Ethan writes 1/6 of a page in 1/12 of a minute. How much time dose it take him to write a full page

what's the difference between 289 and 352

If the numerator of a fraction is a prime number, can the fraction be simplified? why or why not?

The Scopes Trial made it legal to teach fundamentalism in school. True False

What are some characteristics that are determined by DNA

Which helped George Washington in his first term as the first president of the United States? A. He made his advisers pledge not to argue about how the govern

Randy drew a scale drawing of a house. In real life, the hall closet is 4 feet wide. It is 2 inches wide in the drawing. What is the scale of the drawing?