Answer:
bn=4*(-2)^(n-1) where n is a number of searched term
Step-by-step explanation:
b1=4 b2=-8
q=b2/b1=-8/4=-2
bn=b1*q^(n-1)
The total cost is $59.85
(rounded up from 59.846 since this problem is about money)
Answer: it’s a
