SOLUTION: If digits can be repeated, the number of three digit odd natural numbers that can be formed using the digits 1,2,4,5,7 and 9 are.....

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Question 1129380: If digits can be repeated, the number of three digit odd natural numbers that can be formed using the digits 1,2,4,5,7 and 9 are.....
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
Let the 3 digit number be "ABC"
6 choices for A
times
6 choices for B
times
4 choices for C

gives +highlight%28+144+%29+ total possible odd numbers.
(Note that using the given set of numbers, a total of 216 three-digit numbers can be made).