What you need to do is take $2874 and divide the 5% and then times the 9 by what you get
Answer:
The first term is 128
Step-by-step explanation:please see attachment for explanation
Answer:
The sequence above is a geometric sequence
For an nth in a geometric sequence

where n is the number of terms
a is the first term
r is the common ratio
From the question
a = 45
r = 15 / 45
The explicit formula for the sequence is
U(n) = 45(1/3)^n-1
Hope this helps you