Q 1: Convert 56 mm to kilometer: 0.00011 kilometer 8.0E5 kilometer 0.00056 kilometer 6.0E5 kilometer

Q 2: Convert 73 centimeter to km: 0.00073 km 0.0011 km 0.0073 km 0.00146 km

Q 3: Convert 65 km to cm: 65,000,000 cm 9,750,000 cm 13,000,000 cm 6,500,000 cm

Q 4: Convert 21 km to km: 42 km 210 km 31.5 km 21 km

Q 5: Convert 90 decameter to meter: 1,800 meter 9,000 meter 900 meter 1,350 meter

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