Register
Pls Answer Quickly! Pls show work so that I can understand
161k views
4 votes
Pls Answer Quickly! Pls show work so that I can understand

Pls Answer Quickly! Pls show work so that I can understand-example-1
Pls Answer Quickly! Pls show work so that I can understand-example-1
Pls Answer Quickly! Pls show work so that I can understand-example-2
User JohannesAndersson
by
7.1k points

1 Answer

3 votes

Answer:

  • 2084, 1.1111

Explanation:

Q1

Given GP

  • 4, -20, 100,...

Common ratio is:

  • r = -20/4 = 100/-20 = -5

Sum of 5 terms:

  • S₅ = 4( (-5)⁵ - 1)/(-5 - 1) = 2084

Q2

Given GP

  • 1, 1/10, 1/100, ...

Common ratio is:

  • r = 1/10 : 1 = 1/100 : 1/10 = 1/10

Sum of 5 terms:

  • S₅ = 1*((1/10)⁵ - 1)/((1/10 - 1) = 1.1111
User Roma
by
8.5k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.7m questions

11.4m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!