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I just have quick about scientific notation.

when you have this kind number  502.51 x 10^23 and you divide by 10 what happens to the exponenets? 

 May 20, 2016
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502.51 x 10^23 This is not accurately written in scientific notation. It should look like this:

5.0251 x 10^25.If you divide by 10, the exponent comes down by 1, 25 - 1=24, so it would be:

5.0251 x 10^24.If you multiply by 10, then the exponent goes up by 1, 25 + 1=26, so it would look like this: 5.0251 x 10^26.

 May 20, 2016

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