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Karolina [17]
4 years ago
5

What is the 6th term in this geometric sequence? 5, -15, 45, -135

Mathematics
1 answer:
olga nikolaevna [1]4 years ago
8 0

Answer:

-1215.

Step-by-step explanation:

For a geometric sequence:

nth term = a1 r^(n-1)

The first term a1 = 5 and the common ratio r  = -15/5 = -3.

So 6th term = 5 * (-3)^(6-1)

=  5 * (-3)^5

= -1215.

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Blababa [14]

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3 years ago
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Ber [7]
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