The diameter of a water molecule is 0.000000000275m. What is the diameter expressed in scientific notation, rounded to the nearest whole number? (When you round you are providing an estimated value.)
The diameter of a water molecule, expressed in scientific notation rounded to the nearest whole number, would be 2.8 x 10^-10 m.
The diameter of a water molecule, 0.000000000275m, can be expressed in scientific notation as 2.75 x 10^-10 m. Rounding this to the nearest whole number, the diameter is approximately 3 x 10^-10 m in scientific notation.
