Question

A three-digit lottery ticket using the numbers 0 to 9 has how many possible combinations?

Answer 1

there are 720 possible answers

Explanation:

(10 choices) on the first, then the second (9 choices) then the third (8 choices). So there would be 10 x 9 x 8 = 720 possible choices.

Answer 2

720

Explanation:

If order mattered, we would say select the first number (10 choices), then the second (9 choices) then the third (8 choices). So there would be 10 x 9 x 8 = 720 possible choices.