The combination of the lock is a 3 digit number the digits are the prime factors if 42 listed from least to greatest. what is the combination of the lock?

the combination of the lock will be 237.

Step-by-step explanation:

Prime factor of 3 digit lock 42 = 2 × 3 × 7

So the digits which are used to unlock are 2, 3, 7

Now these three digits 2, 3, 7 when rearranged from least to greatest. Sequence will be 237.

So the combination of the lock will be 237.

the correct answer is the second option

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons