SOLUTION: 5. How many numbers may be formed by using 4 out of the 5 digits 1,2,3,4,5
(a) if the digits must not be repeated in any number,
(b) if they may be repeated? If the digits must
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-> SOLUTION: 5. How many numbers may be formed by using 4 out of the 5 digits 1,2,3,4,5
(a) if the digits must not be repeated in any number,
(b) if they may be repeated? If the digits must
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Question 1191178: 5. How many numbers may be formed by using 4 out of the 5 digits 1,2,3,4,5
(a) if the digits must not be repeated in any number,
(b) if they may be repeated? If the digits must not be repeated, how many of the 4-digit numbers
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