The mean distance of Saturn from the Sun,1,427,000,000 km,can be written in shorthand notation as:

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Shorthand notation, also known as scientific notation, is a way of expressing very large or very small numbers in a condensed format. It is typically written as a number between 1 and 10 multiplied by a power of 10.

In this case, the distance of Saturn from the Sun is a very large number, so we want to use scientific notation to express it. The shorthand notation for 1,427,000,000 km can be written as 1.427 × 10⁹ km because we move the decimal point nine places to the right to account for the power of 10.

Choice D is the correct answer as it matches the shorthand notation of the distance of Saturn from the Sun in km. Choices A, B, and C are incorrect because they do not have the correct power of 10.

The Mean Distance of Saturn from the Sun,1,427,000,000 Km,can Be