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OpenStudy (jenniferkeryakous):
Why are numbers used in chemistry often expressed in scientific notation?
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OpenStudy (aaronq):
because they're often very large or very small. Like the radius of an atom is 70 pm, or \(70.0*10^{-9}m\) if we didnt express it in scientific notation it would be 0.0000000070 m which is hard to read and easy to make mistakes with.
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