It took researchers three weeks to analyze a large amount of data using a supercomputer. How many minutes did it take them to analyze the data?

There are 7 days in a week, 24 hours in a day, and 60 minutes in an hour. So 3 weeks is 3 × 7 × 24 × 60 = 30,240 minutes, which is choice D, 30,240 minutes.

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