Answer:
84,000,000,000 cm
840,000,000 m
840,000 Km
Step-by-step explanation:
3 x 1000 = 3,000
3,000 x 28 cm = 84,000 cm
84,000 x 1,000,000 = 84,000,000,000 cm
840,000,000,000 cm/100 = 840,000,000 meters
840,000,000 m/1000 = 849,000 Km.
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