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July 29, 2015

Homework Help: physics

Posted by Kailey on Thursday, August 26, 2010 at 11:27pm.

The disk shaped head of a pin is 1.0 mm in diameter.
Which of the following is the best estimate of the number of atoms in the layer of atoms on the top of the surface of the pinhead?

1. 10 to the 34th power
2. 10 to the 19th power
3. 10 to the 24th power
4. 10 to the 29th power
5. 10 to the 14th power
6. 10 to the 4th power
7. 10 to the 9th power

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