Your answer is 30.31
Hope this helps!
What exactly is it asking for
4 times 3=12
12 times 3=36
I think you want us to find the sum of the geometric sequence to n=15
the sum is
a1=first term=4
n=15
r=common ratio=3
S=-2(-14348906)
S=28697812
it adds to 28697812
Answer:
8
Step-by-step explanation: