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: 
They could make at least 1,080,000 coins during the 24hr period
Of what? The surface area of what?
The ordered pair is (-1,4).
Answer: 42.6% or you can round it to 43%
Step-by-step explanation: