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What is the explicit formula for the geometric sequence: 4, 20, 100, 500, ....

User Nate Getch
by
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1 Answer

6 votes

Answer:

Explanation:

Common ratio = 20/4 = 100/20 = 500/100 = 5

first term = 4

so

aₙ = 4 * 5ⁿ⁻¹

User Davvv
by
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