How many 3-digit numbers are possible to form with all the digits being different?
2 answers:
Answer:
We can make 120 three digit distinct numbers
Step-by-step explanation:
Answer:
Step-by-step explanation:
<u>If the number is xyz, we have:</u>
- 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
<u>Total number of possible 3-digit numbers:</u>
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