Q 1: 1 cm = 10 0mm 10 mm 1000 mm
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Q 2: In U.S customary system 1 acre = _____ square feet 43,560 40,000 62,990 20,500
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Q 3: In Metric System, 1 kilometer is equal to: 100 decimeters 10,000 decimeters 1,000 decimeters 10 decimeters
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Q 4: 1 ft = 12 inches 10 inches 11 inches 16 inches
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