Question
How many 3 digit odd numbers can be formed with the digits 1 through 9, if no digits is repeated in any number?
Answers
MathMate
Odd digits available
= n({1,3,5,7,9})
= 5
Numer of digits to be formed per number
= 3
Number of choices for first digit = 5
....
See previous question for methodology.
= n({1,3,5,7,9})
= 5
Numer of digits to be formed per number
= 3
Number of choices for first digit = 5
....
See previous question for methodology.