Alexis was shopping on the ground floor of the mall when she realized she had left her phone in her car. She walks down 6 floors
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Answer:
Step-by-step explanation:
The nth term for a geometric sequence is given by :-
(1)
We are given that The first term in a geometric sequence is 54. i.e. a=54
5th term= (2)
Put n=5 and a= 54 in (1), we get
(3)
From (2) and (3), we have
Explicit form for the geometric sequence: