20. Find the sum of the terms of the geometric sequence 8, 4, 2, 1, . А. 17/2 В. 16 С. 12 D. 24

Q: If the first term a, and common difference d of an arithmetic sequence are 3 and 4 respectively then…

A:

Q: 5. Calculate the sum of the first 23 terms of the sequence defined below. tn 10+ 3n, n E N

A: We have to find the sum

Q: 4. Find the common difference of the arithmetic sequence for which the first term is -12 and 23rd…

A:

Q: Find the sum of the first five terms of the sequence with the given general term. an = (-1)"

A: general term  an = (-1)n

Q: 14. The sum of the first 50 terms of the sequence 2, 8, 14, 20, 26, ...

A:

Q: 3 if it exists. 8 Find the infinite sum of the geometric sequence with a = - 5, r = |

A:

Q: 2) Find the sum of the first 100 terms of the arithmetic sequence: 2, 4, 6, 8, 10, 12, ...

A: The arithmetic sequence: 2,4,6,8,10,12,.......

Q: 9. Find the partial sum of arithmetic sequence of 25 terms starting with 5, 10, 15, 20,... 10. When…

A:

Q: Determine the sum of the first four terms of the geometric sequence where a = 3 and r = 2.

A:

Q: Find the sum of the first 70 terms of the arithmetic sequence with the first term 6 and common…

A:

Q: 8. Find the number of terms of the finite arithmetic sequence {7, 16, 25, 34, ...,574}. Make sure to…

A: Explained below

Q: Find the 5th term of the geometric sequence: – 5, – 30, – 180, ... - - Round to 1 decimal place if…

A:

Q: Find the sum of the first 25 terms of the sequence. 46, 8, 10, S25-

A: This question is related to arithmetic progression .

Q: 2. The first three terms of either an arithmetic or geometric sequence are given by 6, a, 24. Which…

A: Given,         The first three terms of either an arithmetic or geometric sequence are…

Q: Here are the first two terms of a geometric sequence: 2, 4. What are the next three terms?

A: First-term, a=2 Common ratio, r = 4/2 = 2

Q: Find the sum of the first five terms of geometric sequence. a1 = 6.324, r = 2.598

A: Given, geometric sequence with a1 = 6.324, r = 2.598

Q: What is the 8th term of the geometric sequence 48, 24, 12, 6, 3, ...

A:

Q: Find the sum of the first 13 terms of the arithmetic sequence. 5,9, 13, 17. . What is the sum of the…

A:

Q: 2.) Write the general formula for un for the arithmetic sequence 12, 4, –4, –12, ...

A:

Q: 2. If the first term of an arithmetic sequence is 3 and the common difference is 4, what is the 23rd…

A: Topic = Sequence

Q: Find the sum of the first 20 terms of the arithmetic series: 6 + 3 + 0 - 3 - 6 - . . .

A:

Q: Find the sum of the first 36 terms of the arithmetic sequence with first term 5 and 36th term 110.

A: Given first and 36th term is 5 and 110.

Q: Find the sum of the first 23 terms of the arithmetic sequence 4m – 3, –10, .

A: For the terms to be in an AP , the first term should be 4 and not 4m which is a mistake.

Q: Find the fifth term of the geometric sequence from the given information. Express the term as an…

A:

Q: Find the sum of the first five terms of the sequence with the given general term. an = (−1)n

A: Given sequence, an=(-1)n Put n=1 to 5 to get first five terms of sequence then add them.

Q: If the first term of a geometric sequence is 0.9 and its ratio is 0.2, what is the sum of the first…

A:

Q: Find the sum of the first n terms of the geometric sequence with the given values. a, = 320, r= k --…

A: Given: a1=320r=-k2n=10 Also, the sum of  first n terms of the geometric sequence for negative value,…

Q: Determine the sum of the geometric sequence if it exist. If the sum does not exist, write DNE. 6, 2,…

A: Explanation of the answer is as follows

Q: 9. Find the sum of the first 20 terms of the geometric sequence 2,6,18,.... A. 3,486,784,400 B.…

A: The series a geometric series. We can easily solve using formula for sum of geometric series

Q: 6. Find the indicated nth term of the geometric sequence. 22th term : 8, 32, 128, ...

A:

Q: Find the sum of the first 11 terms of the geometric sequence 4, -4, 4, .. 4

A:

Q: Find the sum of the first 8 terms of the geometric sequence. 139 9 27 27 81 - - - + 2 2 2 O A. 2…

A:

Q: Find the indicated term of the sequence by finding the explicit formula for the nth term. 9. 100th…

A:

Q: If the first term a, and common difference d of an arithmetic sequence are 3 and respectively then…

A:

Q: Find the sum of the first 90 terms of the arithmetic sequence with first term 10 and common…

A:

Q: 17. Find the number of terms of the finite arithmetic sequence: 8, 14, 20, 26, ..., 320. (Make sure…

A:

Q: Find the first term and the common ratio of the geometric sequence. 27 81 6, 9, 2' 4 3 O A. a, = 2 3…

A:

Q: Find the sum of the first 10 terms of an arithmetic sequence formed by odd integers starting from…

A: The objective is to find the sum of first 10 terms of an arithmetic sequence formed by odd integers…

Q: Find the sum of the first 38 terms of the arithmetic sequence with the first term 4 and the 38th…

A:

Q: 1. Find the value of the 11th term in the sequence 2, 6, 18, 54, ...

A: Topic = Sequence

Q: The geometric mean between the first two terms in a geometric sequence is 32. If the third term is…

A: Topic - geometric progression

Q: Calculate, to four decimal places, the first ten terms of the sequence. an = 1 + an 4 10

A:

Q: 2) The sum of the first 16 terms of an arithmetic sequence is 212 and the fifth term is 8. a) Find…

A:

Q: Determine the sum of the first 8 terms of the geometric sequence. 24.8..

A:

Q: Find the indicated nth partial sum of the arithmetic sequence. 6.3, 6.1, 5.9, 5.7,. . .,   n = 13

A: Given arithmetic sequence is  6.3, 6.1, 5.9, 5.7,...... we are given with arithmetic sequence, so…

Q: 1. 3,6, 12,... n = 12 27 2. 12, 9, 4 n = 5 ....

A:

Q: Determine the sum of the first five terms of the geometric sequence where a = 3 and r=2. ... The sum…

A: The formula to evaluate the sum of n terms of a geometric sequence is Sn=arn-1r-1, if r≠1, where a…

Q: a) In the sequence 2+5+8+11+14, . , the sum of first 100 terms is b) In the series…

A:

Q: Find the seventh term of the geometric sequence from the given information. Express the term as an…

A:

Q: The sum of the first 33 terms of the geometric sequence 1, 2, 4

A: