tolong bantu dong kerjain soal skala

6.100 mkali 150m:1000=15000m:1000=15m
7.50:6000000=1:120000
8.18cm kali 1250000=22500000cm=225km
9.27cm kali 4cm kali 150 =108cm2 kali 150=1620cm2
10.37500000cm:2500000=15cm