Solve the problem.
-How many different three-digit numbers can be written using digits from the set {1, 2, 3, 4, 5} without any repeating digits?
A) 60
B) 20
C) 120
D) 10

Question

Quizplus · Accepted Answer

For a three-digit number without repeating digits, there are 5 choices for the first digit, 4 remaining choices for the second digit, and 3 remaining choices for the third digit. Multiplying these together gives 5 * 4 * 3 = 60 different numbers.

Solve the Problem. -How Many Different Three-Digit Numbers Can Be Written Using Digits