Question

what is 2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2?

Answer 1

2^n , where n is the number of 2's you can count

Answer 2

well, strictly speaking, 2^(n-1), since 2x2 = 2^1, even though you can count two 2's.

Answer 3

2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2xx2x22x2xx2x2x2x22x2xx22x2x2x2xx22x2x2x2x2xx2x2x2x2x2x2x2x2x2x2x2x2x2x2xx22x2xx22xx2xx2x2x2x2xx22xx2x22x2x2xx2x2x2x2x2x2x2xx2x2x2xx2x2x2x2x2x2x2x2x2x2x2x2x2=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000