Test: Significant Figures, Scientific Notation, and Metric Prefixes
8.264 g - 7.8 g
0.5 g
Determine number of significant figures: 0.02 m
1
Determine number of significant figures: 5000 mg
1
A block of wood 3 cm on each side has a mass of 27 g. What is the density of the block?
1 g/cm^3
Convert the following to scientific notation: 1000000 mm
1*10^6 mm
Make the following conversions using dimensional analysis. Express answers with correct number of significant figures. Use scientific notation where appropriate. 100. fm^2 to pm^2
1.00*10^-4 pm^2
Perform the following operations and express the answer in the correct number of significant figures: 8.45^10^7 m^3/6.74*10^3 m^2
1.25 * 10^4 m
Make the following conversions using dimensional analysis. Express answers with correct number of significant figures. Use scientific notation where appropriate. 18.9 cm^3 to μm^3
1.89*10^13 μm^3
Make the following conversions using dimensional analysis. Express answers with correct number of significant figures. Use scientific notation where appropriate. A cheetah has been clocked at 71 miles per hour. How fast is this in kilometers per minute?
1.9 km/min
The volume of the aquarium in our classroom is 1890 L. The density of seawater is 1.03 g/cm^3. What is the mass in Mg of the water in our tank? Express your answer in significant digits.
1.95 Mg
Fill in the missing value ______ Ym = 1 zm
10^-45
Fill in the missing value ______ nm = 1 mm
10^6
What is the weight of the ethyl alcohol that exactly fills a 200.0 mL container? The density of ethyl alcohol is 0.789 g/mL
158 g
Determine number of significant figures: 0.040 g
2
Indicate how many significant figures there are in the following measured value 0.00010
2
Perform the following operations and express the answer in the correct number of significant figures: 2*10^7 km * 8*10^-9 km
2*10^-1 km^2
Convert the following to scientific notation: 0.000000000000211 nm
2.11*10^-13 nm
Analysis of an air sample reveals that it contains 3.5*10^-6 g/L or carbon monoxide. Express the concentration of carbon monoxide in lb/ft^3. (Use 1.00 lb = 454 g; 1 in = 2.54 cm)
2.2*10^-7 lb/ft^3
22.4 kg/L to pg/mL
2.24*10^13 pg/mL
Convert the following to scientific notation: 0.00238 cm^3
2.38*10^-4 cm^3
A block of aluminum occupies a volume of 15.0 mL and weighs 40.5 g. What is density?
2.70 g/mL
Your friend never learned dimensional analysis, he started working at a fast food restaurant wrapping hamburgers. Every 3 hours he wraps 350 hamburgers. He works 8 hours per day. He works 5 days a week. He gets paid every 2 weeks with a salary of $440.34. Approximately how many hamburgers will he have to wrap to make his first one million dollars? This will be an estimate, so round to 1 significant figure. Explicitly show all conversions in your setup.
20,000,000 hamburgers
What volume of silver metal will weigh exactly 2500.0 g. The density of silver is 10.5 g/cm^3
238 cm^3
6.201 cm + 7.4 cm + 0.68 cm + 12.0 cm
26.3 cm
Perform the following operations and express the answer in the correct number of significant figures: 55.46 g - 28.9 g
26.6 g
Determine number of significant figures: 3.01*10^23 molecules
3
Determine number of significant figures: 4.70*10^-8 kg
3
Determine number of significant figures: 501 cm
3
Indicate how many significant figures there are in the following measured value. 0.00340
3
Express the following measurement in its base unit: 3.45 µL
3.45*10^-6 L
Determine number of significant figures: 5000. mg
4
Determine number of significant figures: 501.0 cm
4
Convert the following to scientific notation: 422000 hg
4.22*10^5 hg
Express this number in scientific notation keeping proper significant figures 0.0000043450
4.3450*10^-6
Express this number in scientific notation with correct significant figures 1.65*10^5 g * 2.422*10^15 g / 8.9 *10^3 g^2
4.5*10^16
Make the following conversions using dimensional analysis. Express answers with correct number of significant figures. Use scientific notation where appropriate. 4.50*10^4 Pg to kg
4.50 * 10^16 kg
4.65 km -> nm
4.65*10^12 nm
Make the following conversions using dimensional analysis. Express answers with correct number of significant figures. Use scientific notation where appropriate. An adult has about 4.7 liters of blood. What is this volume in m^3?
4.7*10^-3 m^3
Express the following measurement in its base unit 476 TB
4.76*10^14 B
Perform the following operations and express the answer in the correct number of significant figures: 150.00 m/ 3.45 m
43.5
Perform the following operations and express the answer in the correct number of significant figures: 103.5 m^2 * 42 m
4300 m^3
498.82 cg -> mg
4988.2 mg
Indicate how many significant figures there are in the following measured value 1.0000
5
Indicate how many significant figures there are in the following measured value. 14.600
5
Express this number in scientific notation with correct significant figures: 3.46*10^-4 km + 2*10^-4 km - 2.5*10^-5 km
5*10^-4 km
Convert the following to scientific notation: 5050 mL
5.05*10^3 mL
an irregularly shaped stone was lowered into a gradulated cylinder holding a volume of water equal to 2.0 mL. The height of the water rose to 7.0 mL. If the mass of the stone was 25.4 g, what was its density?
5.1 g/ml
Express this number in scientific notation with correct significant figures (6.022*10^23 atoms/mole)*(8.65*10^4 mole)
5.21*10^28
.54 µm^3 to cm^3
5.4*10^-13 cm^3
.54 m^3 to mm^3
5.4*10^8 mm^3
25 m/s to miles/hr
56 miles/hr
Determine number of significant figures: 6051.00 L
6
Perform the following operations and express the answer in the correct number of significant figures: 6.3*10^-1 g - 2.1*10^-3 g
6.3 * 10^1 g
Express this number in scientific notation with correct significant figures: 5.6*10^-18 mm^3/8.9*10^8 mm^2
6.3^10^-27 mm
Perform the following operations and express the answer in the correct number of significant figures: 0.021 cm * 3.2 cm * 100.1 cm
6.7 cm^3
Perform the following operations and express the answer in the correct number of significant figures: 61235 + 0.0001g
61235 g
How many kg of mercury would fill a 5.0 L container of mercury if the density of mercury is 13.6 g/cm^3
68 kg
Make the following conversions using dimensional analysis. Express answers with correct number of significant figures. Use scientific notation where appropriate. 74000 Em to m
7.4*10^22 m
Express the following measurement in appropriate unit using a metric prefix 7.6*10^-12 g
7.6 pg
Express this number in scientific notation keeping proper significant figures 78,000
7.8*10^4
28.5 g of iron shot is added to a gradulated cylinder containing 45.50 mL of water. The water level rises to the 49.10 mL mark, from this information, calculate the density of iron
7.92 g/mL
Convert the following to scientific notation: 0.0008 s
8*10^-4 s
Make the following conversions using dimensional analysis. Express answers with correct number of significant figures. Use scientific notation where appropriate. 8.32 * 10^-3 ng to g
8.32*10^-12 g
Make the following conversions using dimensional analysis. Express answers with correct number of significant figures. Use scientific notation where appropriate. 8.6 MB to TB
8.6*10^-6 TB
A rectangular block of copper metal weighs 1896 g. The dimensions of the block are 8.4 cm by 5.5 cm by 4.6 cm. From this data, what is the density of copper
8.9 g/cm^3
A rectangular block of copper metal weighs 1896 g. The dimensions of the block are 8.4 cm by 5.5 cm by 4.6 cm. From this data, what is the density of copper?
8.9 g/cm^3
Express 9.27*10^-5 L to yL
9.27*10^19 yL
