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| Math Central | Quandaries & Queries |
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Question from Frank: How many combinations are there for 22 numbers (1 to 22) of 4 numbers and 5 numbers. For 4 would it be 22 x 22 x 22 x 22 for 4 one more x 22 for 5? Thank You! |
Hi Frank,
Your calculations are correct if you allow the same number to appear more than once. For example is
19, 15, 19, 19
an acceptable combination? In mathematics combination is a technical word that doesn't have this meaning but I think it's what you want.
Penny
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