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12 1. Solve for the following and reporting the correct number of significant figures and units. Explain how the number of significant figures was determined.

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12 1. Solve for the following and reporting the correct number of significant figures and units. Explain how the number of significant figures was determined. (I prea) 13.52 a. 71.45 cm - 135.2 mm - 44.7 cm 13.2cm 71-45cm-13,52cm-44. mm cm = 13.237 13.2 135.2mm/10-13.52cm 3 4 b. 37.6 mL - 28.82 mL = 8.8mL 37.UML-28 82mL 3 sig figs = 8.78 m L=88 ML 2 sig fig 89.509 c. 363.71 g + 40.6 ml = 8.94 40.47363.713400.363719 400189 5873- 365, 3714 89,579 -8.96 40.99 2. A student determined that a volume of water had a mass of 10.1 g. Using the known density of water at room temperature, 1.00g/1.00mL, determine the volume of the water (I pi) Show calculations for credit. (1 pt) 3. Convert 794.2 mm to cubic centimeters. Show calculations for credit. 4. In the lab a student was asked to identify an unknown metal. The mass of the metal was determined to be 121.46 grams, and the volume 17.0 mL. Using the table of metal densities listed in this experiment, which of the following metals was the student given? (1 pt)

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