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Write an explicit formula for ans the nth term of the sequence 20, -10,5, ....

Write an explicit formula for ans the nth term of the sequence 20, -10,5, ....
25.6k views
5 votes
Write an

explicit formula for
ans
the nth
term of the sequence 20, -10,5, ....

User Piffy
by
7.9k points

1 Answer

2 votes

Answer:an=20(-1/2)^n-1

Explanation:

User Daniel Casserly
by
8.0k points
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