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The radius of the planet Neptune is approximately 15,300 miles. How is this numbr of miles written in scientific notation?

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Answered by GPT-4o mini
To express the radius of Neptune, which is approximately 15,300 miles, in scientific notation, we need to write it in the format \( a \times 10^n \), where \( 1 \leq a < 10 \) and \( n \) is an integer.

The number 15,300 can be rewritten as:

\[
1.53 \times 10^4
\]

So, in scientific notation, the radius of Neptune is \( 1.53 \times 10^4 \) miles.

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