Consider the sequence 81, 27, 9, 3, 1,... and find the sum of the first five terms. Please provide another method of solution not just adding them up directly.

Q: Find the 7th term in the sequence -4, –8, –16, . . .

A:

Q: Find the 7th term in the sequence 2, 8, 32, 128, . ..

A: See attached file for a step by step explanation.

Q: Construct the  The difference table of 9,4,3,12,37,84 to the next term of sequence?

A: The given sequence is 9, 4, 3, 12, 37, 84. Construct a difference table for the given sequence as…

Q: Find the sum of the first 10 terms of the geometricsequence 5, 10, 20, ....

A: The given geometric sequence is, 5,10,20…… The first term of the geometric sequence is 5, The common…

Q: Find the 15th term of the following sequence. {64, 16, 4, 1, .}

A:

Q: Write the first four elements of the sequence. n+1 3n- -1, 1, 콩, 글 1, 금, 글, 유 5. 2 0, 글, 글, 콩

A:

Q: Find the sum of the first 40 terms of the sequence 9, 18, 27, 36, ...

A: 9, 18, 27, 36, ........ It is an arithmetic sequence with, First term=a=9Common difference=d=9

Q: Find the next term of the sequence: 3, 6, 12, 24, 48,

A:

Q: The sum of the first 20 terms of the sequence 0.7, 0.77, 0.777, ... is

A: The given sequence is 0.7,0.77,0.777,...... The sum geometric sequence with common ratio r<1 ,of…

Q: What is the sum of the first 145 terms in this sequence? 25, 21, 17, 13,...

A:

Q: Which term of the sequence 9, 9.4, 9.8... is 17?

A: Given that :-   The sequence                            9 , 9.4 , 9.8  _ _  _ _ To find :- which…

Q: How would you classify the sequence 28, 21,15, 10,6, ....? .......

A:

Q: List the first five terms of the sequence whose 2.. nth term is 3" – 2". Let n = 0, 1, - Saved

A:

Q: What is the sum of the first 10 terms of the sequence {300, 150, 75, ...}?

A: Given: 300,150,75,...... Formula Used: Sn=a1-rn1-r

Q: Calculate the first 5 terms of the sequence an = Factions and as decimals to 3dp. (1+)", expressing…

A:

Q: Find the sum of the first 7 terms of the geometric sequence: 8, 4, 2, 1, . . . .

A: To Find The sum of the first 7 terms of the geometric sequence: 8,4,2,1,…. Concept: Sum of first…

Q: Find the first term and the common difference of the arithmetic sequence whose 9th term is – 28 and…

A: To find: The first term and common difference of the arithmetic sequence. Given: The 9th term of the…

Q: Find the 38th term of a sequence where the first term is −11 and the common difference is 2.

A:

Q: Find the next term in the sequence  1/2 , 2/3 , 1 , 8/5 , 8/3 , _____

A: To determine the pattern in the sequence to find the next term

Q: Find the sum of the first 15 terms of the geometricsequence 100, 50, 25, .....

A: The geometric sequence is given by a,ar,ar2,...,arn, here a is the first term of sequence and r is…

Q: Find the 9th term for the sequence of positive 3 digit numbers that are multiples of 5.

A: We have to find the 9th term for the sequence of positive 3 digit numbers that are multiples of 5…

Q: Write the explicit formula for the sequence 3, 7, 11, 15, 19, 23, ...

A:

Q: Find the sum of the first 12 terms in the following sequence 10 3,-6, 12, -24,.

A: Given sequence is,

Q: What is the next term for the sequence 1, 5, 11, 17, 33, 61, ...

A: The pattern in a sequence of numbers determines the next number in the pattern. The pattern is…

Q: What is the 6th term of the sequence 8, 32, 128, 512, ...?

A: what is the sixth term of the sequence , 8, 32 ,128 512, ....?

Q: Suppose I have a sequence; 3, 6, 9, 12,... Find the sum of the 6th, 12th, 18th, and 66th term please

A: SOLUTION-

Q: Complete the sequence : 1, ,81 O 3,9, 27 O 5, 9, 27 O 3,8,29 O 2, 9, 27

A: Given- 1,......, ......., ......, 81 To Complete- The above sequence. Formula Used- nth term of any…

Q: Write the first five terms of a sequence in which the first term is 2 and each term is 6 more than…

A: We have to find first five terms of the sequence where first term is 2 and each term is 6 more than…

Q: Find the sum of all terms in the Sequence 96,72, 54,...

A: Solution:

Q: The letters CORONAVIRUSCOVID are written repeatedly in this sequence without space between the…

A:

Q: Suppose you have the sequence 4, 1, -2, -5,.. . Find the sum of the first 20 even terms.

A:

Q: What is the 10th term in this sequence: 1, 3, 9, 27,...

A: Given,          The sequence is 1 , 3 , 9 , 27 ,.....We know that,          The general term of G.P…

Q: If the 6th term of an arithmetic sequence is 63 and the 14th term is 135, write the formula for the…

A:

Q: What is the 10th term in this sequence: 4, 8, 10, 12,..

A: Our Aim is to find the 10th term the sequence given below:-4,8,10,12,......-(i)

Q: Find the first four terms of the sequence given by the following. a,= 5-(-2)", n=1, 2, 3... %3D

A:

Q: Find the next term of the sequence: 8, 5, 2, -1, -4,

A: Explanation: Here given that a sequence: 8, 5, 2, -1, -4, ...

Q: Find the first four terms and the eighth term of the sequence.

A: The given sequence is 2+-0.1n.

Q: Find the sum of the first 7 terms of -4, 4, -4, 4, ….

A:

Q: Find the 7th term for the sequence 1,15, 29, 43, .. Enter the correct value in the box,

A: topic - arithmetic sequence

Q: Calculate the sum of the first 38 terms in the sequence. 7, 3, - 1, – 5, ... | The sum is

A:

Q: List the first five terms of the sequence whose n ,th term is 3" – 2“. Let n = 0, 1, : ...

A:

Q: Find the next two terms in this sequence. 800, 400, 200, 100, [ ? ], [ ]

A:

Q: Find the general of the sequence 8,8.5,9.0,9.5,...

A: Let general term of sequence an.

Q: Find the 13th term of the sequence 4096, -1024, 256, -64, ..

A: Geometric sequence: A set where each element is a multiple of the previous element; a finite or an…

Q: Find the next term in the sequence; 0, 10, 24, 56, 112, 190, ?

A:

Q: Find the sum of the first 8 terms of the sequence. Show all work for full credit. 1, -3, -7, -11,…

A: It is ap.  Use formula of sum of n term of ap.

Q: Find the sum of the first n terms for the sequence 750,773,796,... is 7578. Find n. (n is a positive…

A: Let us consider the terms a,a+d,a+2d,a+3d,........ where d is common difference  Thus, the nth term…