Explanation

To express a number in scientific notation, express it as the product of a number between 1 and 10 and a power of 10. In this case, the number between 1 and 10 is 2.750389. In going from 2.750389 to 2,750,389, you move the decimal point 6 places to the right. Each move represents a multiplication by 10 and 6 moves represents a multiplication by \(10^{6}\).

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