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4. Express the following number in scientific notation. Do NOT include unit in your answer. Please use e to refer to power of 10. For example, 1x 10^6 should be
entered as 1e6, 4.5 x 10^-7 should be entered as 4.5e-7.
The length of a carbon to hydrogen bond is 0.000000000109 m, scientific notation is.
m.
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