Question

​​question 2: what digits does the hexadecimal number system use?

Answer 1

Hexadecimal number system uses numbers 0 through 16, but is commonly used for 0 through 9.

Sorry this is late.

Answer 2

The hexadecimal numeral system, also known as just hex, is a numeral system made up of 16 symbols (base 16). The standard numeral system is called decimal (base 10) and uses ten symbols: 0,1,2,3,4,5,6,7,8,9. Hexadecimal uses the decimal numbers and includes six extra symbols.