Significant Figures
Scientific Notation
Accuracy, Precision, Percent Error
Metric System
Temperature Conversion
100

How many significant figures are in the following number? .00598

three - the leading zeros are not significant

100
Express this number in scientific notation .00054
5.4 x 10 ^ - 4
100

______________________: How close your measurements are to the true value

Accuracy

100
How many decameters are in 8.02 meters?
.802 decameters
100
Convert 180 degrees Celsius to Kelvin
453 Kelvin
200
How many significant figures should your answer have? (872.4)(0.0034) / (13.1)(.89005)
Two = because 0.0034 only has two significant figures
200
Express this number in scientific notation 5.41
5.41 x 10 ^ 0
200

Which measurement is more precise: 4.4, 4.40, 4.400, 4.4000

4.4000

200
How many decimeters are in 43.8 millimeters?
.438 decimeters
200
An unknown metal has a boiling point of 391 K. What is the boiling point in Celsius?
118 degrees celsius
300

Solve the problem and round appropriately 121 - 4.625

116

300
Express this number in scientific notation 82790000
8.279 x 10 ^ 7
300
If your experimental data is 26.2, 26.4, 26.5, but your data is far from the actual value, your experiment results have demonstrated what?
Precision
300
Convert 9.2 hectograms to grams
920 grams
300
Archaebacteria are capable of surviving environments with temperatures up to 400 degrees Celsius. What is this in Fahrenheit?
752 degrees Fahrenheit
400
How many significant figures does this number have? 0.007500
Four - the leading zeros do not count, the trailing zeros do because they come after the non-zero numbers containing a decimal
400

Express this number in standard notation 3.123 x 10 ^ -1

.3123

400
What is the percent error and is it accurate? Known value = 15 m Experiment trials = 12.5 m
16.67 %, not accurate because it is more than 5% error
400
Convert 55.87 centigrams to kilograms
.0005587
400
Convert 70 degrees Fahrenheit to Celsius
21.1 degrees celsius
500
Solve the problem and round accordingly 52.00 x .0052
.2704 --> .27 because .0052 has only two sig figs, so answer must have only 2 sig figs
500

Express this number in standard notation 6.285 x 10 ^ 3

6285

500
________________ : How close a set of measurements are to each other
Precision
500
Convert .312 kilograms to milligrams
312000
500
Convert 98.6 degrees fahrenheit to Kelvin
310 Kelvin
M
e
n
u