Completa las siguientes conversiones de unidades 50k m = _ _ _ _ _ _ m = _ _ _ _ _ _ _ cm 675um = _ _ _ _ _ _ _ nm = _ _ _ _ _ _ _ cm75m = _ _ _ _ _ _ mm = _ _ _ _ _ _ km 600s = _ _ _ _ _ _ _ _.
①50km = 50×103m = 5×104m; 50km = 50×105cm = 5×106cm;
②675um = 675×103nm = 6,75×105nm; -2cm;
③75m = 75×103mm = 7,5×104mm; 75m = 75×10-3km = 7,5×10-2km;
④600s = 600×103ms = 6× 105s; 600s = 600×160min = 10min; 600s = 600×13600h = 16h; 600s = 600×106 nosotros = 6×108 nosotros.
Entonces la respuesta es:
①5×104; 5×106;
②6.75×105; 6.75×10-2;
③7,5×104; 7,5×10-2;
④6×105;