∵ We know that
1m3=1000 L {1 m=10 dm or 1 dm=110m=10−1 m; 1 m3=1000 dm3}
or 1 dm3=1 L
or 1 cm3=10−6×1000 L {1 m=100 cm;1 m3=106 cm3;1 cm3=10−6m3}
or 1 cm3=10−3L=1 ml
Hence, 1 L=1 dm3 {1 L=1000 ml}
Then 2 L=2 dm3=2×10−3m3
Hence, 2 L milk=2×10−3m3
Final Answer:2L=2×10−3m3