3. In an arithmetic sequence if 5th term value is 26 and 10th term value is 51. Find 15th term value? 4. In a geometric sequence if 3rd term value is 16 and 5th term value is 256. Find 8th term value?

Q: What are the next two terms in the sequence 512, 256, 128, 64, ?

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Q: Find for the 20th term of an arithmetic sequence 3, 6, 9, 12,

A: Let's find.

Q: The second and fifth terms in an arithmetic sequence are 12 and 18 respectively. What is the 100th…

A: Use  an=a1+n-1d  to solve the problem.

Q: What is the 75th term of the sequence given by 81,75,69,63

A: The given sequence is: 81, 75, 69, 63, ....

Q: last?dep=23200069 Find the number of terms in the finite arithmetic sequence. -3,0, 3, .., 84

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Q: 3. 5, 7, 9, 11, _, 15, 17 4. 30, 26, 22, 18,,

A: note an = a + (n-1)d

Q: What is the sequence of 1,3,7,15,31

A: Given query is to find the sequence.

Q: Find the sum of the first 30 terms of the arithmetic sequence. an = -3n + 27

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Q: Write an expression for the nth term of the sequence 1. 1, (1/4), (1/9), (1/16) 2. 2, -1, (1/2),…

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Q: 6. The first four terms of an arithmetic sequence are 2, a-b, 2a+b+7, a-3b. Find a and b.

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Q: 3 5 7 12'34'56'78

A:

Q: What is the 84th term of the arithmetic sequence? −1286,−1269,−1252,−1235,−1218,... Enter your…

A:

Q: Fiind a33 of an arithmetic sequence if the common difference is -1 and a1=3

A: