Significant Figures
How many significant figures are in the number 27?
2
Convert the following number into scientific notation: 9,300,000
9.3x106
meters, liters, and grams
What are the possible units used for density?
g/mL or g/cm3
Convert 137 lbs to kg. (1 pound = 0.45 kg) Make sure your answer has correct significant figures and units.
61.7 kg
How many significant figures are in the number: 37,900?
3
Convert the following number into scientific notation: 0.0000251
2.51x10-5
What unit does daL stand for?
dekaliters
What is the density of an object that has a mass of 2.4 g and a volume of 4.8 mL? Make sure your answer has correct significant figures and units.
2.0 g/mL
How many hours are in 365 days? (1 day = 24 hours) Make sure your answer has correct significant figures and units.
8,760 hours
How many significant figures are in the following number: 0.00020560
5
Convert the following number into standard notation: 8.75x104
87,500
Convert 652 grams to kg. Make sure your answer has correct significant figures and units.
0.652 kg
What is the mass of an object that has a density of 5.62 g/mL if the volume is 13 mL? Make sure your answer has correct significant figures and units.
73.06 grams
How many mL is a 12oz soda? (1 oz = 29.57 mL) Make sure your answer has correct significant figures and units.
350 mL
Round the following number to 3 significant figures: 12,479,800
12,500,000
Convert the following number into standard notation: 5.47x10-3
0.00547
Convert 60.2 cm to mm. Make sure your answer has correct significant figures and units.
602 mm
What is the volume of an object that has a mass of 4.32 g and a density of 0.25 g/cm3? Make sure your answer has correct significant figures and units.
17.28 cm3
One show of Taylor Swift's Eras Tour was 3.25 hours long. How many seconds is this? (1 hour = 60 minutes) (1 minute = 60 seconds) Make sure your answer has correct significant figures and units.
11,700 seconds
Complete the calculation and make sure your answer has the correct number of significant figures.
202.1 x 0.70 =
140
What is the purpose for using scientific notation?
It makes really big or really small numbers easier to use.
Convert 0.47 Liters to mL. Make sure your answer has correct significant figures and units.
470 mL
A graduated cylinder originally reads at 23.0 mL, a piece of copper that weighs 41.2 g is then dropped into the graduated cylinder, and the water level rises to 27.6 mL. What is the density of the piece of copper? Make sure your answer has correct significant figures and units.
8.96 g/mL
Mrs. Ayette is 162.56 cm tall. Convert this to feet. (1 inch = 2.54 cm) (1 foot = 12 inches) Round your answer to 2 significant figures.
5.3 feet