The answer to this question is B
From what it says, you need to multiply both N and M . Do the math and you will get 386.37. Then round it. Therefore, your answer is B
no. bullets are macro objects. wave nature is for light waves, extremely tiny particles. if a light particle was the size of your finger, the bullet would be the size of the universe. so basically, that huge difference in size makes the wave nature of matter insignificant.