Explicație pas cu pas:
a) 7,3cm*10=73mm, 0,45dm*100=45mm, 2,304m*1000=2304mm, 0,00042km*10^6=420mm, 82,005dam*10000=820050mm
b) 0,0009km*10^6=900mm, 1,40003hm*10^5=140003mm, 17,73m*1000=17730mm, 6,98dm*100=698mm, 9,431cm*10=94,31mm
c) 1,85cm*10=18,5mm, 32dm*100=3200mm, 1,04m*1000=1040mm, 7,1dam*10000=71000mm, 9,52hm*100000=952000mm