Three-digit numbers are made from the digits 1, 2, and 3, using each digit exactly once. How many such numbers are possible?
Show hints
- Choose a digit for each position in turn.
- Multiply 3, 2, and 1.
Show the answer and solution
Answer: 6
There are 3 choices for the first place, then 2, then 1. That gives 3 × 2 × 1 = 6 numbers.