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A student reads the length of an object from a ruler as 7.2 cm, and his teacher says that he is missing an estimated place value, and should have a measurement like "7.20 cm".
What is the length (in cm) of the smallest increment on this ruler? Meaning "what is the distance between the tick marks".
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A student reads the length of an object from a ruler as 7.2 cm, and his teacher says that he i...
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