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WorksheetsScientific Notation and Sig Fig Review
Total questions: 50
Worksheet time: 59mins
Name
Class
Date
1.
Determine the number of sig figs in the following measurement:
0.036653 m
0.036653 m
a)
7
b)
5
c)
2
d)
0
2.
Determine the number of sig figs in the following measurement:
72,100 g
72,100 g
a)
5
b)
3
c)
6
d)
4
3.
Determine the number of sig figs in the following measurement:
3,000 mm
3,000 mm
a)
1
b)
4
c)
2
d)
3
4.
Determine the number of sig figs in the following measurement:
25.03 L
25.03 L
a)
4
b)
3
c)
2
d)
1
5.
Determine the number of sig figs in the following measurement:
0.00300
0.00300
a)
3
b)
6
c)
1
d)
5
6.
Round the following number off to the number of sig figs shown in parentheses:
72,100 (1)
72,100 (1)
a)
70,000
b)
7
c)
70
d)
72,000
7.
Round the following number off to the number of sig figs shown in parentheses:
529.78 (3)
529.78 (3)
a)
530
b)
529
c)
5.30 x 102
d)
5.3 x 102
8.
Calculate the answer to the following problem and round the final answer to the correct number of sig figs:
24.567 + 0.04478 =
24.567 + 0.04478 =
a)
24.61178
b)
24.612
c)
24.611
d)
24.61
9.
Express the following number in decimal notation:
4.502 x 105
4.502 x 105
a)
450,200
b)
4502
c)
0.00004502
d)
0.000004502
10.
Express the following number in decimal notation:
4.96 x 10-3
4.96 x 10-3
a)
0.00496
b)
4,960
c)
496
d)
0.000496
11.
Express the following number in decimal notation:
1.729 x 106
1.729 x 106
a)
1,729,000
b)
0.000001729
c)
172,900
d)
1.729
12.
Express the following number in scientific notation:
0.00075
0.00075
a)
7.5 x 10-4
b)
7.5 x 104
c)
7.5 x 103
d)
7.5 x 10-3
13.
Express the following number in scientific notation:
0.00000534
0.00000534
a)
5.34 x 10-6
b)
5.34 x 106
c)
534 x 105
d)
5.34 x 10-5
14.
Express the following number in scientific notation:
18,000,000
18,000,000
a)
1.8 x 107
b)
18 x 106
c)
1.8
d)
1.8 x 10-7
15.
Calculate the answer to the following problem and round the final answer to the correct number of sig figs:
4.627 / 0.00371 =
4.627 / 0.00371 =
a)
1247.169811
b)
1250
c)
1247
d)
1240
16.
Calculate the answer to the following problem and round the final answer to the correct number of sig figs:
278 x 11.70 =
278 x 11.70 =
a)
3252.6
b)
3250
c)
3252
d)
325
17.
How many sig. fig. are in the number below:
106.00
106.00
a)
2
b)
3
c)
4
d)
5
18.
How many sig. fig. are in the number below:
0.056
0.056
a)
1
b)
2
c)
3
d)
4
19.
How many sig. fig. are in the number below:
100.5
100.5
a)
1
b)
2
c)
3
d)
4
20.
How many sig. fig. are in the number below:
0.678
0.678
a)
1
b)
2
c)
3
d)
4
21.
How many sig. fig. are in the number below:
350.540
350.540
a)
4
b)
5
c)
6
d)
7
22.
How many sig. fig. are in the number below:
0.0005
0.0005
a)
1
b)
2
c)
3
d)
4
23.
How many sig. fig. are in the number below:
705000
705000
a)
2
b)
3
c)
5
d)
6
24.
How many sig. fig. are in the number below:
32005
32005
a)
2
b)
3
c)
4
d)
5
25.
How many sig. fig. are in the number below:
14.500
14.500
a)
2
b)
3
c)
4
d)
5
26.
How many sig. fig. are in the number below:
0.007809
0.007809
a)
3
b)
4
c)
5
d)
6
27.
Write 3.2 x 103 in standard form.
a)
3.200
b)
3200
c)
32000
d)
.0032
28.
Write 9,450,000 in scientific notation.
a)
9.45 x 104
b)
9.45 x 105
c)
9.45 x 106
d)
.945 x 107
29.
The closest galaxy to our own is over 2,500,000 light years away. Write this number is scientific notation.
a)
2.5 x 107
b)
.25 x 107
c)
25 x 105
d)
2.5 x 106
30.
Write 234 in scientific notation.
a)
You can't write this number in scientific notation.
b)
2.34 x 104
c)
2.34 x 103
d)
2.34 x 102
31.
Write 4.8 x 100 in standard form.
a)
What?
b)
480
c)
4.8
d)
48
32.
How close a measurement is to the accepted value is called..
a)
Accuracy
b)
Precision
c)
Significant
d)
Estimate
33.
When a measurement is repeatable and consistent it is said to have...
a)
High precision
b)
Low precision
c)
High accuracy
d)
Low accuracy
34.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
35.
?
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
36.
Divide:
[(6.9 x 107)(4.52 x 105)]
÷
[(2.3 x 10-3)(3.98 x 108)]
[(6.9 x 107)(4.52 x 105)]
÷
[(2.3 x 10-3)(3.98 x 108)]
a)
3 x 107
b)
3.4 x 107
c)
5.4 x 1024
d)
5 x 1024
37.
Calculate
12.3 × 1.234 × 0.12
12.3 × 1.234 × 0.12
a)
1.82
b)
1.8
c)
2.0
d)
1.821
38.
Subtract these numbers and show the correct number of significant figures
606.09 - 7.004
606.09 - 7.004
a)
599.086
b)
599.08
c)
599.1
d)
599.09
39.
Divide these numbers and show the correct number of significant figures
0.04263
÷
0.306
0.04263
÷
0.306
a)
0.139
b)
0.1393
c)
0.13931
d)
0.14
40.
What is the Volume in the graduated cylinder?
a)
63.5 mL
b)
63 mL
c)
63.55 mL
d)
6 mL
41.
Where do we read the level of liquid?
a)
The highest point the liquid touches
b)
The bottom of the meniscus
c)
Half way between, we make an educated guess and round it
d)
The top of the meniscus
42.
Which of these could be a correct measurement for the volume shown? Click on this image for a better look.
a)
40 mL
b)
43 mL
c)
43.0 mL
d)
43.00 mL
43.
Which is the correct measurement of the red line?
a)
9 cm
b)
8.5 cm
c)
8.50 cm
d)
8.1 cm
44.
Multiply:
(3.4 x 105)(1.2 x 10-3)
(3.4 x 105)(1.2 x 10-3)
a)
4.08 x 10-8
b)
4.8 x 102
c)
4.08 x 102
d)
4.08 x 10-15
45.
Calculate 12.34 + 1.234 + 0.1234 and give your answer with the appropriate number of significant figures.
a)
13.6974
b)
13.697
c)
13.70
d)
13.7
46.
Calculate 12.34 + 1.234 + 0.1234 and give your answer with the appropriate number of significant figures.
a)
13.6974
b)
13.697
c)
13.70
d)
13.7
47.
Calculate 1.23 m x 0.89 m and give your answer with the appropriate number of significant figures.
a)
1.0 m2
b)
1.1 m2
c)
1.0947 m2
d)
1.09 m2
48.
Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.
a)
True
b)
False
49.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
50.
Calculate 1.23 m x 0.89 m and give your answer with the appropriate number of significant figures.
a)
1.0 m2
b)
1.1 m2
c)
1.0947 m2
d)
1.09 m2
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