Use arithmetic series formula to calculate: 15+10+5+0+(-5)+(-10)+(-15)+...+(-5m)

Q: Write 0.123456 4 as a fraction of two integers using a geometric series

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Q: Find the sum – 6 + 1 + 8 +... + 15 Answer:

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Q: Evaluate the sum 5+10+20+40+80+...+320, and enter its numerical value.

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Q: Evaluate the Sum

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Q: Example: Find the sum in 12 - hour clock arithmetic (a) 7 + 8 (b) 11 + 3

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Q: this sequence 31 27 23 19 Explain in detail how you could find the 10th term

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Q: 355+926 using leftmost digit rounding, the sum is approximately

A: Rounding off to the nearest 100: To round a number to the nearest 100, look at the tens digit. If…

Q: 692 + 685 + 678 + 671 + ... + 6

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Q: Write a recursive formula for the sequence: {- 8, - 14, – 20, – 26, – 32, .} -8

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Q: Find rule for sequence: 1/6, 3/8, 9/10, 27/12, 81/14

A: 1/6, 3/8, 9/10, 27/12, 81/14

Q: Find the sum -18 + 54 - 162 + ... -1458

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Q: The first five terms of the sequence an = 5(-1/10)n-1

A: We need to find the first five terms of the sequence an = 5(-1/10)^(n-1)

Q: Identify the 7th term of the sequence: 4, 20, 100, .... * O 65,200 315,200 O 62,500 O 312,500

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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: what is the notation in sequences? Expaln it.

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Q: Write a recursive formula for the sequence: {- 3, 1, 5, 9, 13, ...} o , an 17 aj = -3

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Q: Find the sum of the first n terms using the formula: a(1r) 1-r 1,-1, 1,-1, 1, ... (31 terms) Round…

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Q: Evaluate (",) for n = 48.

A: Combination formula : nCr = n!/(n-r)!r!

Q: Find the sum: −3+−8+−13+...+−63-3+-8+-13+...+-63

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Q: Write the formula for the nth term of the sequence: 2, 5, 8, 11, ...

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