Answer:
answer is B
Step-by-step explanation:
Hope this helps! （づ￣3￣）づ╭❤～
≈ 30.43 , lmk if u need an explanation
The sum of a geometric sequence is:
s(n)=a(1-r^n)/(1-r) in our case:
s(n)=3(1-4^n)/(1-4)
s(n)=-(1-4^n)
s(n)=(4^n)-1 and s=1023
(4^n)-1=1023
4^n=1024
n ln4=ln1024
n=(ln1024)/(ln4)
n=5
Answer: x=0.050
Step-by-step explanation:
