3. A piece of paper is folded into thirds multiple times. The area, A, of the piece of paper
in square inches, after n folds, is A = 90 1/3^N
a.
What is the value of A when n = 0? What does this mean in the situation?
b.
How many folds are needed before the area is less than 1 square inch?
C.
The area of another piece of paper in square inches, after n folds, is given by

B =100 (1/2)^n
What do the numbers 100 and 1/2 mean in this situation?