If a, b, and c are integers between 1 and 10 (inclusive), how many different combinations of a, b, and c exist such that a
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If A, B, and C are integers between 1 and 10 (inclusive), how many different combinations of A, B, and C exist such that A
My Answer: There are (103)=120 of choosing 3 numbers from 10. However, once the 3 numbers are chosen only 1 arrangement out of 6 possiblities will result in the required configuration, which implies there are 20 such combinations. Does this make sense?
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