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What is the explicit formula for the sequence 8, 10, 12.5, 15.625, …?

What is the explicit formula for the sequence 8, 10, 12.5, 15.625, …?
asked 144k views
9 votes
What is the explicit formula for the sequence 8, 10, 12.5, 15.625, …?

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User Taras Lozovyi
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9.1k points

1 Answer

6 votes
This is geometric sequence with a1 = 8 and r = 10/8 = 1.25;
So, an = 8(1.25)n - 1
answered
User A Jar Of Clay
by
8.2k points
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