Respuesta :

9514 1404 393

Answer:

  an = 10 -6(n -1)

Step-by-step explanation:

The series is an arithmetic series with a first term of 10, and a common difference of 4-10 = -6. The n-th term of an arithmetic series is given by ...

  an = a1 +d(n -1) . . . . . for first term a1 and common difference d

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For the parameters this series has, the n-th term is ...

  an = 10 -6(n -1)