Question

an=12an-1. the first term is 0.001. which is the explicit formula to find the nth term.
a. 0.001*12^n
b.12*0.001^n
c.12*0.001^n-1
d.0.001*12^n+1
e.0.001*12^n-1

Answer 1

Let a=.001
\[a_2= 12 a\\
a_3= 12 a_2 = 12^2 a\\
a_4= 12 a_3 = 12^3 a\\

\]

Answer 2

\[a_n=12^{n-1} a= .001 12^{n-1}\]