181,184 views
29 votes
29 votes
How many 3-digit numbers are possible to form with all the digits being different?

User Amanbirs
by
2.7k points

2 Answers

15 votes
15 votes

Answer:

We can make 120 three digit distinct numbers

Explanation:

User Imike
by
2.9k points
14 votes
14 votes

Answer:

  • 648

Explanation:

If the number is xyz, we have:

  • x = 1 to 9, total 9 ways
  • y = 0 to 9, total 10 ways minus 1 to prevent repetition, so 9 ways
  • z = 0 to 9, total 10 ways minus 2 ways to prevent repetition, so 8 ways

Total number of possible 3-digit numbers:

  • 9*9*8 = 648
User Alanmars
by
3.0k points
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