Respuesta :

highwireact

Answer:

Each term is 3 times bigger than the last.

Step-by-step explanation:

[tex]4\times3=12\\12\times3=36\\36\times3=108\\108\times3=324[/tex]
4+4x2=12
12+12x2=36
324+324x2=972
4x3=12
12x3=36
....
324x3=972