Question: Paper thickness varies. Typically, 100 sheets are about a cm thick. Atoms typically vary from 1 to 3 angstroms in radius. (An angstrom is 1010m.)

 Paper thickness varies. Typically, 100 sheets are about a cm thick.

Paper thickness varies. Typically, 100 sheets are about a cm thick. Atoms typically vary from 1 to 3 angstroms in radius. (An angstrom is 1010m.) Suppose a piece of paper is 0.0073cm thick. How many atoms span the thickness if the radius of the atom is 2.73 angstroms? In a problem like this a lot of irrelevant ( to problem solving) information is given. It helps to write out what useful information is given and what you are going to solve for

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