Ada yg bisa bantu nomor 29 dan 30??

3,4 dam3=3400m3
5m3-1.500dm3=5000dm3-1.500dm3=3.500dm3

29. 3,4dam3 = 3,4*1000 = 3400 m3
30. 5m3=5*1000 = 5000dm3.
5000dm3 - 1500dm3 = 3500dm3