can you please answer this 3 questions please
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(1)Millimeters are tiny units used to measure very small objects that are even sometimes hard to see. You can see a piece of paper quite well, so you would not use millimeters for this size of an object. Centimeters are the most appropriate unit to measure the length of a piece of paper.
(2)Hectares to Square Meters Conversion
What is a Hectare? Hectare is a metric system area unit. 1 ha = 10000 m2. The symbol is "ha".
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