Question

converte 0,002mm pra km

Answer 1

Vamos fazer por partes

        1 km = 1000 m
         1m = 1000 mm
                                     1 km x 1000 m/km = 1000 m
                                     1000 m x 1000 mm/m = 1000000 = 10^6 mm
                                     0,02 = 2x10^-2

                     2x10^-2 mm x 1/10^6 km/mm
                  = (2x10^-2)/(10^6)
                  = 2x10^(-2 - 6)
                  = 2x10^-8
                                       0,02 mm = 2x10^8 km = 0,10000000 km