Express the diameter of a carbon atom, 0.00000000022 m, in scientific notation.
A. 0.22 x 10^-9 m
B. 2.2 x 10^-10 m
C. 2.2 x 10^-9 m ***
D. 22 x 10^-11 m
I'm not sure. Can someone please check? Thank you!!!
To convert a number to scientific notation, you need to express it in the form of "a x 10^b", where "a" is a number between 1 and 10, and "b" is an integer that represents the number of decimal places you moved the decimal point.
In the given question, the diameter of a carbon atom is 0.00000000022 m. To express it in scientific notation, you need to move the decimal point to the right until you have a number between 1 and 10. Counting the number of decimal places you moved, you have moved the decimal point 9 places to the right.
Therefore, the diameter of a carbon atom in scientific notation is 2.2 x 10^-9 m.
Based on the available answer choices, the correct answer is C. 2.2 x 10^-9 m.