C) 3 D) 4 3) During a laboratory experiment, a sample of aluminum is found to have a mass of 12.50 grams and a volume of 4.6 milliliters. What is the density of this sample, expressed to the correct number of significant figures? A) 2.717 g/mL B) 3 g/mL 4) The diagram below represents C) 2.7 g/mL D) 2.72 g/mL