8km=............m=........mm

*ingat,
1 km = 1000 m
1 km = 1000000 mm

8 km = 8×1000 m = 8000m

8 km = 8×1000000 mm = 8000000 mm

Jadi,
8 km = 8000 m = 8000000 mm

Jawab :
1 km = 1000 m
8 km = 8000 m

1 m = 1000 mm
8000 m = 1000 x 8000 = 8000000 m

Jadi,
8 km = 8000 m= 8000000 mm