The population of a city is 1,503,049. the land area of the city is 181.5 km². what is the population density of the city? enter your answer in the box. round your answer to the nearest whole number. people/km² a biologist is researching the population density of antelopes near a watering hole. the biologist counts 32 antelopes within a radius of 34 km of the watering hole. what is the population density of antelopes? enter your answer in the box. use 3.14 for pi and round only your final answer to the nearest whole number. antelopes/km² the density of mahogany wood is 0.71 g/cm3 . the volume of a piece of mahogany wood is 1728 cm³ . what is the mass of the piece of mahogany wood? enter your answer as a decimal in the box. g gold has a density of 19.3 g/cm3 , it is often made into a bar called a gold ingot. a certain gold ingot has a volume 51.8 cm³. what is the mass of the gold ingot? 0.37 g 2.68 g 71.1 g 999.74 g a block of sugar maple wood has a mass of 82.8 g and density of 0.69 g/cm3 . the block is a rectangular prism with a length of 5 cm and a width of 4 cm. what is the height of the block of sugar maple? enter your answer in the box. cm