3) We have seen that Eratosthenes calculated the circumference of the Earth with great accuracy. Suppose that he had messed up his measurements and got an angle reading of 1 degree and a distance from Syene to Alexandria of 100 miles. With these erroneous measurements, what value would he have come up with for the circumference?

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A: How many distinct four-digit integers can one make from the digits 1,3,3,7,7, and 8?

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