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tatyana61 [14]
2 years ago
15

Helppp please quick enough points

Mathematics
1 answer:
nevsk [136]2 years ago
5 0
<h3>Geometric Sequence: a(r)ⁿ⁻¹</h3>

1) a₁ = 2, r = 3

a) First five terms: 2, 6, 18, 54, 162

b) nth term: 2(3)ⁿ⁻¹

c) The 10th term: 2(3)¹⁰⁻¹ = 39366

2) a₁ = 243, r = 1/3

a) First five terms: 243, 81, 27, 9, 3

b) nth term: 243(1/3)ⁿ⁻¹

c) The 10th term: 1/81

3) a₁ = 6, r = 2

a) First five terms: 6, 12, 24, 48, 96

b) nth term:  6(2)ⁿ⁻¹

c) The 10th term: 3072

4) a₁ = 5, r = -1/10

a) First five terms: 5, -1/2, 1/20, -1/200, 1/2000

b) nth term: 5(-1/10)ⁿ⁻¹

c) The 10th term: -5 × 10⁻⁹

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