How many square nanometers equals one square decimeter?

Answer 1

1 square nanometer = (10-9 m x 10-9 m) = 10-18 square meter 1 square decimeter = (10-1 m x 10-1 m) = 10-2 square meter (1 square decimeter) / (1 square nanometer) = 10-2 / 10-18 = 1016 = 10 quadrillion