the radius of hydrogen atom is 0.0000000529177 of a millimeter express the number as an approximation.
A. 0.00000005
B. 0.0000005
C. 0.00000006
D. 0.0000000053
The given radius of a hydrogen atom is 0.0000000529177 mm. To express this number as an approximation, we can round it to a reasonable number of decimal places.
The number 0.0000000529177 can be rounded to 0.00000005 mm, which is option A.