0.0204 km to cm conversion result above is displayed in three different forms: as a decimal (which could be rounded), in scientific notation (scientific form, standard index form or standard form in the United Kingdom) and as a fraction (exact result). Every display form has its own advantages and in different situations particular form is more convenient than another. For example usage of scientific notation when working with big numbers is recommended due to easier reading and comprehension. Usage of fractions is recommended when more precision is needed.
If we want to calculate how many Centimeters are 0.0204 Kilometers we have to multiply 0.0204 by 100000 and divide the product by 1. So for 0.0204 we have: (0.0204 × 100000) ÷ 1 = 2040 ÷ 1 = 2040 Centimeters
So finally 0.0204 km = 2040 cm