Answer:
(a) 0.018 dm^3
(b) 20 x 10^15 ml^3
Explanation:
a) 18 cm^3 to dm^3
1 cm = 0.1 dm
So,
1 cm^3 = 0.001 dm^3
So, 18 cm^3 = 18 x 0.001 dm^3 = 0.018 dm^3
b) 20 hl^3 to ml^3
1 hl = 100000 ml
So, 1 hl^3 = 10^15 ml^3
20 hl^3 = 20 x 10^15 ml^3.
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