Question

How many 3-digit hexadecimals start with a letter (A-F) or end with a numeral (0-9) (or both)? Explain.

Answer 1

Answer: 960

Step-by-step explanation:

The first digit can be filled by letter A to F= 6 ways

The second digit will be filled by letter A to F or numeral 0-9= 6+10= 16 ways

The third digit will be filled by number 0 to 9= 10 ways

So total 3 digit hexadecimals are= 6 x 16 x 10 = 960