MATH
How many ordered lists are there of 10 items chosen from 12?
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There are 495 different ordered lists of 10 items chosen from 12. This answer is found by using the formula for permutations with repetition, which is n^r, where n is the number of items to choose from and r is the number of items chosen. In this case, n=12 and r=10, so n^r = 12^10 = 495.