Posted by Kiki on Sunday, December 23, 2012 at 12:52pm.
The diameter of an atom is 2.3 x 10^ 8 centimeters. How many atoms can fit in a space .003 centimeters long, without exceeding it? Please help, thank you

Math  PsyDAG, Sunday, December 23, 2012 at 1:54pm
2.3*10^8a = 3.0*10^3
a = (3.0*103)/2.3*10^8 = 1.3*10^5