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September 21, 2014

Homework Help: Math

Posted by Nicole on Thursday, October 17, 2013 at 5:49pm.

(This is just an example)
A proton has a size of 1.23x10^-11 and an electron has a size of 1.4x10^-8. How many times smaller is and electron than a proton?
Now the part I need help with the which scientific notation goes in the numerator? Is it 1.23x10^-11 or the 1.4x10^-8?

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