12-05-2021
Mathematics

contestada

What is the 8th term of the sequence 1, 3, 9, 27, 81,... .

Respuesta :

sqdancefan sqdancefan

12-05-2021

9514 1404 393

Answer:

2187

Step-by-step explanation:

This geometric sequence has a first term of 1 and a common ratio of 3. Its general term can be written as ...

an = a1·r^(n-1)

an = 3^(n-1)

Then the 8th term is ...

a8 = 3^(8-1) = 2187

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