How many significant figures are in the following number: 502,000 
 
How many significant figures are in the following number: 5.00 
 
How many significant figures are in the following number: 300 
 
How many significant figures are in the following number: 1.01 x 10^5 
 
How many significant figures are in the following number: 0.00020 
 
Round the answer to the correct sig figs: 2.00 + 3.2 + 50 = _____ 
 60 (you can only round to the tens place because of the number 50) 

Round the answer to the correct sig figs: 5.0 + 6.39 + 0.61 =______ 
 12.0 (you must show sig figs to the tenths place because of the number 5.0) 

Round the answer to the correct sig figs: 5.00 x 0.02 x 101 =______ 
 10 (you can only have 1 sig fig because of the number 0.02) 

Round the answer to the correct sig figs: (6.10 x 10^2)/(2.0) = ________ 
 310 (answer can only have 2 sig figs, must round up) 

Convert to scientific notation to the proper # of sig figs: 560,000 
 
Convert to scientific notation to the proper # of sig figs: 0.0001010 
 
Convert to scientific notation to the proper # of sig figs: 1001 
 
Convert to scientific notation to the proper # of sig figs: 500.0 
 
Convert to scientific notation to the proper # of sig figs: 100 
 
Convert the following # into standard form: 5.600 x 10^2 
 
Convert the following # into standard form: 1.01 x 10^5 
 
Convert the following # into standard form: 5 x 10^0 
 
Convert by sliding the decimal: 2.00 L =______mL 
 
Convert by sliding the decimal: 700 hectoliters = _______liters 
 
Convert by sliding the decimal: 0.000542 kg = ________mg 
 
Convert the following by doing dimensional analysis: 400 g = _______lbs 
 
Convert the following by doing dimensional analysis: 0.000226 kL =________cups 
 
Convert the following by doing dimensional analysis: 800 mL = ______pints 
 
Convert the following temperatures: 95 degrees F = ______ degrees C 
 
 
 
The density of a substance is 4.0 g/cm^3. If a sample of the substance has a volume of 25 cm^3, then what is its mass? 
 
You have a lead ball with a mass of 420 g. The density of lead is 10.5 g/cm^3. What is the volume of the ball? 
 
A loaf of bread has a mass of 500 g and volume of 2500 cm^3. What is the density of the bread? 
 
I have 20 g sample of aluminum and a 40 g sample of aluminum. What can I assume about the densities and volumes of each sample? 
 the density of each is the same the volume of the 40 g sample would be twice as larger as the 20 g sample density can’t change, so mass & volume increase proportionally 
