Answer:
Step-by-step explanation:
where
n is the number of terms
From the question since we are finding the 5th term
n = 5
Substitute the value into the above formula and solve
We have
[tex]b(5) = - 1({2})^{5 - 1} \\ = - 2 ^{4} [/tex]
We have the final answer as
Hope this helps you