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The radius of a certain molecule is about 1.21.2 angstroms. One angstrom is 0.000000010.00000001 cm. What is the diameter of this molecule in​ centimeters?

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christinann062
ok the diameter would be 0.000000024cm 

because 1.2 x 0.00000001 = 0.000000012 

that is the radius so we multiply by 2 to get the diameter 

0.000000012 x 2 = 0.000000024

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