Question 1
Complete this number pyramid (each number is product of the two below it):
256
16 16
4 4 4
2 2 2 2
What is the top number?
Working from bottom up:
Level 2: 4, 4, 4
Level 3: 16, 16
Top: 256
Level 2: 4, 4, 4
Level 3: 16, 16
Top: 256