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2 votes
Find the 8th term of the geometric sequence 10, -40, 160, ...

User Meliborn
by
4.7k points

1 Answer

3 votes

Answer:

-163840

Explanation:

You're multiplying by -4 every time.

10, -40, 160, -640, 2560, -10240, 40960, -163840... so on and so forth.

User Hypno
by
5.6k points