The diameter of a hydrogen atom is 0.000000000106 m. How can this number best be expressed in scientific notation?
O A. 10.6 x 10-9 m
O B. 1.06 x 10-9 m
O C. 1.06 x 10-10 m
O D. 1.06 -1010 m
( please help me! )

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