Answer:
3 is 140i think 4 is 396 (sorry if im wrong about 4)
Explanation:
figure #1
smaller part
4x7x2= 56m
larger part
4x3x7= 84m
84+56= 140m³
figure #2
2x4x3= 24m
4x4x12= 192m
192+24= 216in³
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