Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the following sequen

Question

3 years ago

6

ce with the given first term, a1, and common ratio, r. find a8 when a1=5, and r=3

1 answer:

xenn [34] · Answer 1 · 2022-06-02T18:27:37+03:00

xenn [34]3 years ago

6 0

Answer:

a8=10935

Step-by-step explanation:

A geometric sequece is a sequence of the form

$a_n=a\cdit r^{n-1}$

in our case we know that $a=a_1=5$ and $r=3$ , hence

$a_8=5 \cdot 3^7=10935$

Use the formula for the general term​ (the nth​ term) of a geometric sequence to find the indicated term of the following sequen