brendanmay8021 brendanmay8021

23-08-2019
Mathematics

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Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the following sequence with the given first term, a1, and common ratio, r. find a8 when a1=5, and r=3

Respuesta :

presipao presipao

27-08-2019

Answer:

a8=10935

Step-by-step explanation:

A geometric sequece is a sequence of the form

[tex]a_n=a\cdit r^{n-1}[/tex]

in our case we know that [tex]a=a_1=5[/tex] and [tex]r=3[/tex], hence

[tex]a_8=5 \cdot 3^7=10935[/tex]

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