Question: 3. A combination lock requires three numbers from 1 to 25. How many combinations are possible? Did you use the sum rule or the product

3. A combination lock requires three numbers from 1 to 25.

3. A combination lock requires three numbers from 1 to 25. How many combinations are possible? Did you use the sum rule or the product rule? (Note that although we use the erm combination with locks, order matters.)(20 points)

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