Answer:
Simply put, a number system is a way to represent numbers. We are used to using the base-10 number system, which is also called decimal. Other common number systems include base-16 (hexadecimal), base-8 (octal), and base-2 (binary).
Explanation:
Pic of the puzzle plz LEL XD
Probably because it would cause chaos in the area on what to do for a solution.