SOLUTION: How many 4-digit odd numbers can be formed from the digits 1, 3, 5, 6, 8, and 9 if repetition is allowed?

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Question 1192046: How many 4-digit odd numbers can be formed from the digits 1, 3, 5, 6, 8, and 9 if repetition is allowed?
Answer by math_helper(2461) About Me  (Show Source):
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The cardinality of the set  {1,3,5,6,8,9} is 6 



6 choices for 1st digit *

6 choices for 2nd digit *

6 choices for 3rd digit *

4 choices for 4th digit    =    6*6*6*4 = +highlight%28864%29+