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How many times can you rearrange the numbers 0123456789 in groups of 3?
Wiki User
∙ 14y ago
Are you asking for distinct 3-digit numbers? If so, there are 10 ways to pick the first digit, 9 ways to pick the second, and 8 to pick the third. Using the counting/multiplication principle, there are 10*9*8 = 720 3-permutations. Note that in this case the group 321 is considered different from the group 123.
If you're looking for an unordered grouping, then you'll need to divide out the ways in which the 3 digits selected can be arranged. Now we'll consider the group 321 the same as 123. A group of three things can be arranged in 6 ways, so we find 720/6 = 120 ways.
Wiki User
∙ 14y ago
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1000 because there are ten possibilities 0123456789 and there are four slots but the first slot has to be zero so it is 10 times 10 times 10 times 1
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Assuming that the question is about4 groups of 4 numbers, andthe order of the groups does not matter.there are 2,627,625 combinations.The number is only 24 times as large is the order of the groups does, in fact matter. However, if the 4 groups can be of any size (provided their total is 16), the question goes beyond my ability - particularly at this time of the day!
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