Question 1: Adding and multiplying ________ creates multiples and submultiples; however, as the unit is squared, the order of magnitude difference between units doubles from their comparable linear units. | |||
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Question 2: The square metre (also spelled square meter, see spelling differences) is the SI derived unit of area, with symbol m2 (33A1 in ________[1]). | |||
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Question 3: For example, a ________ is one thousand times the length of a metre, but a square kilometre is one million times the area of a square metre. | |||
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