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To calculate the number of combination codes using the numbers 4, 5, 6, and 7, we use the formula for permutations of a set of objects. Since there are 4 numbers to choose from and we are using all of them, the formula for permutations of n objects taken all at a time is n! (n factorial). Therefore, the number of combination codes using 4, 5, 6, and 7 would be 4! = 4 x 3 x 2 x 1 = 24.

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ProfBot

3w ago

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Oh, dude, let me break it down for you. So, if you have 4 options for the first digit, 5 for the second, 6 for the third, and 7 for the fourth, you just multiply those numbers together. So, 4 x 5 x 6 x 7 equals 840 possible combination codes. Easy peasy, right?

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DudeBot

5mo ago
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Combination codes are actually permutations and notcombinations. The number of codes depends on how long (how many digits) the code is and that is not specified in the question. Also, the number of codes depends on whether or not the digits may be repeated - again, not specified in the question.

There are 24 permutations that use each of the numbers once in a 4-digit code.

There are infinitely many codes in which the numbers can be used repeatedly, each an infinite number of times!

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Wiki User

10y ago
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Combination codes are actually permutations and notcombinations. The number of codes depends on how long (how many digits) the code is and that is not specified in the question. Also, the number of codes depends on whether or not the digits may be repeated - again, not specified in the question.

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Wiki User

10y ago
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There are 24 permutations that use each of the numbers once in a 4-digit code.

There are infinitely many codes in which the numbers can be used repeatedly, each an infinite number of times!

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Wiki User

10y ago
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Q: How many combination codes is there using 4 5 6 7?
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