Lời Giải
Lời Giải
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Represent the number with
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The chu vi of a circle is 13pi in. What is the area, in square inches? Express your answer in terms of pipi.4 A stone is dropped from a point 120m from the ground. Findthe diameter of a circle is 14 what is the chu viWhen 2 is added to three times a certain number it gives a result of 20.96,470,000, Express this number in khoa học notation.