- A210
- B343
- C35
- D120
Step-by-Step Solution
The hundreds place has 7 choices, the tens 6 remaining, the units 5 remaining: allows repetition; ignores that order matters in a number.)
Answer: A) 210
How many different 3-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6 and 7 if no digit may be repeated?
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