SOLUTION: If repetition is not allowed, how many 4-digit numbers can be formed from the digits 0, 1, 2, 3, 4, & 5 if (i) the numbers formed are odd?
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Question 1169829: If repetition is not allowed, how many 4-digit numbers can be formed from the digits 0, 1, 2, 3, 4, & 5 if (i) the numbers formed are odd? Answer by Solver92311(821) (Show Source):
Assuming that zero is disallowed for the high order digit, there are 5 ways to choose that digit, then 6 ways to choose the second digit, 6 ways to choose the third digit, and since there are 3 odd digits, 3 ways to choose the fourth digit. In sum:
John
My calculator said it, I believe it, that settles it
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