1-3 pls

A sphere of gold with a radius of 11.7 cm. (density - 19.3). Be sure your answer has the correct number of significant 8 digits. cm mass: 8 Part 2 of 3 A cube of platinum of edge length 0.024 mm (density = 21.4 %). Be sure your answer has the correct number of significant digits. cm mass: g A cube of platinum of edge length 0.024 mm (density = 21.4 g 3-). Be sure your answer has the correct number of cm significant digits. mass: 8 Part 3 of 3 48.1 ml of ethanol (density -0.798 g ml -). Be sure your answer has the correct number of significant digits. mass: B