Find the sum of the following geometric sequences. d) 3 terms a= 16 r=3/4

Vincent Russo asked Apr 11, 2023

3,876 views

18 votes

Vincent Russo asked Apr 11, 2023

2.7k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

21 votes

Answer:

S₃ = 37

Explanation:

given a₁ = 16 and r =
(3)/(4) , then

a₂ = a₁ ×
(3)/(4) = 16 ×
(3)/(4) = 12

a₃ = a₂ ×
(3)/(4) = 12 ×
(3)/(4) = 9

then

S₃ = a₁ + a₂ + a₃ = 16 + 12 + 9 = 37

Robert Mooney answered Apr 16, 2023

2.8k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers