Question

One astronomical unit (AU) is about 1.5 x 108 km. Explain why this is the same as 150 x 100 km.

Answer 1

To change 150x106 km to scientific notation, the leading number must be reduced to a

number between 1 and 9.99999.... To do this, one must dDIVIDE by 100, yielding 1.50.

In order to keep the entire quantity the same, one must then MULTIPLY the exponential

part of the number of 100. This is equivalent to increasing the exponent from 6 to 8.

Step-by-step explanation:

hope this helps

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