[tex]1km=1,000m\\therefore\ 104km=104\times1,000m=\boxed{104,000m}\\\\1m=100cm\to1cm=0.01m\\therefore\ 480cm=480\times0.01m=\boxed{4.8m}\\\\1kg=1,000g\\therefore\ 5.6kg=5.6\times1,000g=\boxed{5,600g}\\\\1cm=10mm\to1mm=0.1cm\\therefore\ 8mm=8\times0.1cm=\boxed{0.8cm}[/tex]
