Question

PLEASE SOMEONE ANSWER THIS ASAP!!!

Given the geometric sequence with the first three terms shown below, answer the following questions.

4,-8, 16,...

Write the explicit formula for this sequence.

What is the 12th term of the sequence?

PLEASE ANSWER I HAVE AN IMAGE INCLUDED IF NEEDED !!

Answer 1

Explanation:

r = -8/4 = -2

t1 = 4

the general formula :

tn = t1. r^(n-1)

tn = 4. (-2)^(n-1)

t12 = 4. (-2) ^(12-1)

= 4. (-2)^11

= 4. (-2,048)

= - 8,192