Asked by Josh
The number of three-digit odd numbers with no repeated digits is
a) 288, b) 320, c)336, d) 360, e) 405.
a) 288, b) 320, c)336, d) 360, e) 405.
Answers
Answered by
Reiny
5 digits possible in the unit digit position
leaving 8 digits for the lead digit, since it can't be a zero and one digit is gone
leaving 8 digits for the tens position, could have the zero here
Number of cases = 5*8*8 = 320
leaving 8 digits for the lead digit, since it can't be a zero and one digit is gone
leaving 8 digits for the tens position, could have the zero here
Number of cases = 5*8*8 = 320
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.