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Olegator [25]
3 years ago
13

A(n) = −5 ∙ 3^(x − 1)

Mathematics
2 answers:
Alinara [238K]3 years ago
8 0

Answer:

A(1) = -5

A(4)  = -135

A(8) = -10935

Step-by-step explanation:

A(n) = -5 *3^(n − 1)

We want the first term

A(1) = -5 *3^(1 − 1)

      = -5* 3^0

      = -5 (1)

      = -5

We want the fourth term

A(4) = -5 *3^(4 − 1)

      = -5* 3^3

      = -5 (27)

      = -135

We want the eight term

A(8) = -5 *3^(8 − 1)

      = -5* 3^7

      = -5 (2187)

      = -10935

Wittaler [7]3 years ago
7 0

First term:

A(n) = −5 ∙ 3^(x − 1)

A(1) = -5 * 3^(1 - 1)

A(1) = -5 * 3^0

A(1) = -5 * 1

A(1) = -5

Fourth term:

A(n) = −5 ∙ 3^(x − 1)

A(4) = -5 * 3^(4 - 1)

A(4) = -5 * 3^3

A(4) = -5 * 27

A(4) = -135

Eighth Term:

A(n) = −5 ∙ 3^(x − 1)

A(8) = -5 * 3^(8 - 1)

A(8) = -5 * 3^7

A(8) = -5 * 2187

A(8) = -10935

Best of Luck!

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