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4. Which of the following calculated values will have three significant digits? The perimeter of a square with side length 1.02 ft. The area of a square with side length 0.024 m. The perimeter of a triangle with side lengths 84.5 cm, 94 cm, and 117 cm. The area of a triangle with base 4.50 in. and height 10.02 in. ................
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