Answer:
52
Step-by-step explanation:
W====~~~
Answer:
5+.5(M)
Step-by-step explanation:
Answer:
The sum of 8 geometric sequence is 959780
Step-by-step explanation:
We are given
this sequence is geometric
-4 , 24 , -144
First term is -4
so, 
now, we can find common ratio

we can use formula

n=8
now, we can plug values

now, we can simplify it
and we get

Answer: No, it’s rational number