What is the meaning of ‘dec’ in pascal?

Why do atheists like the man so much?

How do you use Pascal’s Triangle to do this?

Any help would be greatly appreciated. Thanks in advance.

All I need is the answer and how you did it.
Thank you so much.
Answer is actually:
16s^4 + 32s^3 + 24s^2 + 8s + 1
Found it from my math’s teacher.

Could someone give a short decription, please?