Answer:
an = 3(5)^(n-1).
Step-by-step explanation:
15 / 3 = 5
75/15 = 5
375/75 = 5
So the common ratio is 5.
First term a1 =3
an = a1 r^(n-1) is the explicit formula.
so here we have:
-6 This is your answer it help you
x=5/3
there is only 1
