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5 December, 03:54

Write the number 45.78 trillion in scientific notation.

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  1. 5 December, 07:48
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    Without scientific notation it would look like 4 000 000 000 000

    The decimal place must be moved 12 units to the left to be after a significant figure, thus giving the scientific notation to the power of 12. The significant figure is 4 so you get the equation 4.0⋅ 1012.
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