Answer:
3159
Step-by-step explanation:
This is Geometric Sequence where its common ratio =39/13=117/39=3
The Geometric Sequence General Formula = [tex]a_{n} =a*r^{n-1}[/tex]
where a is the 1st Term and r is the common ration
[tex]a_{6} =13*3^{6-1}=3159[/tex]