Mathematics: What is the 8th term of the geometric sequence 4, −20, 100, …?

What is the 8th term of the geometric sequence

Ответ:

jennychrin95

03.01.2022

Mathematics

First term a= 4,
Common ratio, r=-20/4=-5
nth term = $ar^{n-1}$
The 8th term is thus;
4 $-5^{8-1}$
=4*(-78125)
=-312500

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Ответ:

vale2652

25.05.2022

Mathematics

You only need to multiply 3 by 20. The answer will be 60 ft ^3

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