9514 1404 393
Answer:
96
Explanation:
For each of the 4 items in the first column, Dave can choose any of the 6 items in the second column.
For each of those 4×6 = 24 combinations of items, Dave can choose any of the 4 items in the third column.
The total number of choices Dave can make is ...
4×6×4 = 96 . . . different combinations