A5 / a1 = r^4 = 324/4
So r^4 = 81
r = +/- 3
If r = 3 :-
S5 = 4 * (3^5-1) / (3-1) = 484
so r = 3 Answer
Answer:
i thinks its B thats what i put but im not sure , i havent got the paper back yet
Step-by-step explanation:
10 apples..........................................
