If a platinum nugget has a mass of 220.0  g g and a volume of 10.2  cm3 cm3 , what is the density of the metal? Express the density to three significant figures and include the appropriate units.

For these questions, be sure to apply the rules for significant figures. a You are conducting an experiment where you need the volume of a box; you take the length, height, and width measurements and then multiply the values together to find the volume. You report the volume of the box as 0.310 m1. If two of your measurements were 0.7120 m and 0.52145 m, what was the other measurement? b If you were to add the two measurements from the first part of the problem to a third length measurement with the reported result of 1.509 m, what was the value of the third measurement?

A listing of a house for sale states that there are 5bedrooms, 4000 ft2 of living area, and a living room with dimensions 1718.5 ft. How many significant figures are there in each quantity? (Your answer may include the words ambiguous and exact.)

A typical laboratory beaker has a volume of 250. mL What is its volume in cubic centimeters? In liters? In cubic meters?In cubic decimeters?

The following are properties of substances. Decide whether each is a physical property or a chemical property. a Chlorine gas liquefies at 35C under normal pressure. b Hydrogen burns in chlorine gas. c Bromine melts at 7.2C. d Lithium is a soft, silvery-colored metal. e Iron rusts in an atmosphere of moist air.

Gold leaf, which is used for many decorative purposes, is made by hammering pure gold into very thin sheets. Assuming that a sheet of gold leaf is 1.27 105 cm thick, how many square feet of gold leaf could be obtained from 28.35 g gold? The density of gold is 19.3 g/cm3.

A steel sphere has a radius of 1.58 in. If this steel has a density of 7.88 g/cm3, what is the mass of the sphere in grams?

A house has an area of 221 m2m2. What is its area in each unit? Express the area in square kilometers to three significant figures.

A thief plans to steal a gold sphere with a radius of 28.4 cm from a museum. If the gold has a density of 19.3 g/cm^3, what is the mass of the sphere in pounds? [The volume of a sphere is V=(4/3)πr^3]. Express your answer in pounds to 3 significant figures.

what mass (in g) of solid lead would displace exactly 234.6 liters of water? The density of the lead that is given is 11.4 g/cm^3.  the correct answer must contain the appropriate use of significant figures.