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You need to format it so that it is a number (between 1 and 10) times a power of ten.

Since the original number is bigger than 10, you will move the decimal point to the left, and the power of ten will be positive.

We get 8.394 by moving the decimal point 9 places, so the power is 109

and the answer is: 8.394 x 109

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14y ago

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