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Significant Figures
Notation
Metric Conversion
Accuracy and Precision
Lab Equipment and Precision
100
How many significant figures are in 460 mm?
2
100
What is 6320000 in scientific notation?
6.32 x 10
6
100
Convert 0.33 km to m
330 m
100
if the accepted value is 10.00 g, and the experimental value is 12.5 g, what is the percent error?
25%
100
From question 41, which piece of lab equipment would give you the most precise reading?
Graduated cylinder
200
How many significant figures are in 6.02 x 10
23
?
3
200
What is 0.00405 in scientific notation?
4.05 x 10
-3
200
Convert 263 g to hg
2.63 hg
200
If the accepted value is 17.42 g, and the experimental value is 16.56 g, what is the percent error?
4.94%
200
Why is a beaker not used for precise measurement of volume?
It does not have many lines/increments/significant figures
300
Answer using the correct number of significant figures. 95.728 - 74.321 - 0.05 = ?
21.36
300
What is 8.02 x 10
6
in standard notation?
8020000
300
Convert 8.26 cL to kL
.0000826
300
Which of the following measurements is most precise:
0.9 mL
9 mL
0.090 mL
900 mL
0.090 mL
300
Which side of a four-sided-meter stick will give the most precise measurement?
The millimeter side with 1000 lines
400
Answer with the correct number of significant figures 2 x 4.0 x 6.00 x 8.000 x 10.00 = ?
4000
400
What is 7.70 x 10
-5
in standard notation? Make sure your answer has the correct number of significant figures.
.0000770
400
Convert 6.46 dL to DL
0.646
400
Which of the following measurements is most precise:
100 g
100.0 g
100.00 g
100.000 g
100.000 g
400
Look at question 48. What is the mass?
200.5 g
500
Answer using the correct number of significant figures. (4.5 x 10
3
) - (6.8 x 10
2
) = ?
3.8 x 10
3
500
What is 40000 in scientific notation? Make sure your answer has the correct number of significant figures.
4 x 10
4
500
Convert 0.0099 hm to dm
9.9 dm
500
From question 40, from the data table, who had precision (measurements were close together)?
Groups 1, 2, and 3
500
Look at question 47. What is the mass?
514.0 g