Sig Figs and Percent Error
How many sig figs are in 404?
3 sig figs
Convert 340,000,000 to scientific notation.
3.4 x 108
Convert 1kg to grams.
1000 grams
What is the conversion factor for inches to cm?
1 inch = 2.54 cm
How many sig figs are in 25,791.4?
6 sig figs
Convert 0.00049 to scientific notation.
4.9 x 10-4
What is the base unit for volume?
Liters (L)
A piece of iron has a mass of 306.0g and a volume of 22.4mL. What is the density?
13.6 g/mL
Convert 18.5 inches to cm.
46.9cm
How many sig figs are in 0.00080?
2 sig figs
Convert 2.54 x 105 to standard notation.
254,000
Convert 1000mm to meters.
1 meter
Silver has a density of 10.5g/mL and a volume of 238.1mL. What is the mass?
2500.0g
Convert 150lbs to kg.
68.04kg
Sabrina calculates the cost of a book is $50. The actual price was $58. What is the percent error?
13.7%
Convert 1.28 x 10-2 to standard notation.
0.0128
Convert 4335 cm into m.
43.35 meters
A block of lead has dimensions of 4.50cm by 5.20cm by 6.00cm. The block weighs 1,587g. What is the density?
11.30 g/cm3
Convert 5.2 years to minutes.
2,734,992 minutes
Dennis calculated the density of an unknown object to be 3.67 g/mL. The actual density was 4.29 g/mL. What is the percent error?
14.5%
Convert 34oC to oF.
93.2oF
Convert 2,570 mm to km.
0.00257 km
A 28.5g sample of iron pieces is added to a graduated cylinder containing 45.50mL of water. The water level rises to the 49.10mL mark. What is the density?
7.9 g/mL
Convert 1,378 mL to gallons.
0.3640 gallons