What is the 11th term of 3,15,75,385

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Joeking asked May 11, 2023

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What is the 11th term of 3,15,75,385

Mathematics
college

Joeking asked May 11, 2023

by Joeking

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1 Answer

18 votes

Answer:

3*5¹⁰

Explanation:

Given sequence:

3, 15, 75, 385, ...

This is a GP with:

The first term of t₁ = 3
Common ratio of r = 5

The nth term is:

tₙ = t₁r°⁻¹

The 11th term is:

t₁₁ = 3*5¹⁰

Ryde answered May 16, 2023

by Ryde

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