Why do circular pizzas come in square boxes?

It is much cheaper to mass produce square boxes than round ones since a square box can be made from a single sheet of cardboard. Square boxes are also much easier to store since they can remain flat until needed.

Step-by-step explanation:

:)

you're right; it is f(n)=f(n-1)*2

step-by-step explanation:

besides the first term, any term that you select in the sequence,   f(n), is two times the value of the previous term,   f(n-1).