Answer: Last option.
Explanation:
Since you want to find one multiple of 16, you must multiply it by an integer. This integer cannot be zero.
Therefore:
- The equation shown in the first option cannot be used to find a multiple of 16.
- The equation shown in the second option cannot be used to find a multiple of 16.
- The equation shown in the third option cannot be used to find a multiple of 16.
- The equation shown in the fourth option can be used to find a multiple of 16:
