WorksheetsSig Figs and Math
Total questions: 120
Worksheet time: 2hrs 6mins
Name
Class
Date
1.
How many sig figs in the number 100?
a)
1
b)
2
c)
3
d)
As many as you want there to be.
2.
How many sig figs in the number 101?
a)
1
b)
2
c)
3
d)
Only Ronald McDonald knows for sure.
3.
How many sig figs in the number 0.000 000 001 ?
a)
1
b)
2
c)
9
d)
10
4.
How many sig figs in the number 22 ?
a)
1
b)
2
c)
22
d)
It is impossible to determine
5.
Calculate 12.34 × 1.234 × 0.1234
a)
1.87908
b)
1.879
c)
1.9
d)
1.8790809
6.
Calculate 5.50 cm + 5.50 cm
a)
11 cm
b)
11.0 cm
c)
11.00 cm
d)
11.000 cm
7.
How many sig figs are there?
5.00000008
5.00000008
a)
2
b)
6
c)
9
8.
What is the correct number of sig figs in 10500
a)
3
b)
2
c)
4
d)
5
9.
Which measurement contains 3 sig figs?
a)
200 mL
b)
20.0 mL
c)
0.02 mL
d)
0.020mL
10.
Which value has only 4 significant digits?
a)
6.930
b)
0.450
c)
8450
d)
0.392
11.
How many sig. fig. are in the number below:
106.00
106.00
a)
2
b)
3
c)
4
d)
5
12.
How many sig. fig. are in the number below:
0.056
0.056
a)
1
b)
2
c)
3
d)
4
13.
How many sig. fig. are in the number below:
100.5
100.5
a)
1
b)
2
c)
3
d)
4
14.
How many sig. fig. are in the number below:
0.678
0.678
a)
1
b)
2
c)
3
d)
4
15.
How many sig. fig. are in the number below:
350.540
350.540
a)
4
b)
5
c)
6
d)
7
16.
How many sig. fig. are in the number below:
0.0005
0.0005
a)
1
b)
2
c)
3
d)
4
17.
How many sig. fig. are in the number below:
705000
705000
a)
2
b)
3
c)
5
d)
6
18.
How many sig. fig. are in the number below:
32005
32005
a)
2
b)
3
c)
4
d)
5
19.
How many sig. fig. are in the number below:
14.500
14.500
a)
2
b)
3
c)
4
d)
5
20.
How many sig. fig. are in the number below:
0.007809
0.007809
a)
3
b)
4
c)
5
d)
6
21.
Choose the answer with the correct number of significant figures. 12 / .0721 =
a)
166
b)
166.436
c)
170
d)
160
22.
Choose the answer with the correct number of significant figures. 3.419 * .00013 =
a)
4.4 x 10-4
b)
4.445 x 10-4
c)
4 x 10-4
d)
4.4447 x 10-4
23.
Choose the answer with the correct number of significant figures. 1.8 x10-5 x 3.25 x 10-4 =
a)
5.85 x 10-9
b)
5.9 x 10-9
c)
6.0 x 10-9
d)
5.8 x 10-9
24.
Choose the answer with the correct number of significant figures. 41.025/23.38 =
a)
1.7547
b)
1.755
c)
1.76
d)
1.754704876
25.
Choose the answer with the correct number of significant figures. 4.62 x 102 / 3.852 x 102 =
a)
1.199
b)
1.199377
c)
1.2
d)
1.20
26.
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
27.
Determine the number of sig figs in the following measurement:
0.036653 m
0.036653 m
a)
7
b)
5
c)
2
d)
0
28.
Determine the number of sig figs in the following measurement:
72,100 g
72,100 g
a)
5
b)
3
c)
6
d)
4
29.
Determine the number of sig figs in the following measurement:
3,000 mm
3,000 mm
a)
1
b)
4
c)
2
d)
3
30.
Determine the number of sig figs in the following measurement:
25.03 L
25.03 L
a)
4
b)
3
c)
2
d)
1
31.
Determine the number of sig figs in the following measurement:
0.00300
0.00300
a)
3
b)
6
c)
1
d)
5
32.
Round the following number off to the number of sig figs shown in parentheses:
3.774499 (4)
3.774499 (4)
a)
3.774
b)
3.775
c)
3774
d)
3775
33.
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
34.
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
35.
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
36.
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
37.
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
38.
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
39.
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
40.
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
41.
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
42.
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
43.
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
44.
How many sig figs are there?
100.00
100.00
a)
1
b)
3
c)
4
d)
5
45.
How many sig figs are there?
100000000
100000000
a)
1
b)
9
c)
10
46.
How many sig figs are there?
4004
4004
a)
1
b)
2
c)
3
d)
4
47.
How many sig figs are there?
0.000008
0.000008
a)
1
b)
2
c)
6
d)
7
48.
How many sig figs are there?
0.00400
0.00400
a)
1
b)
3
c)
5
d)
6
49.
How many sig figs are there?
9009.00
9009.00
a)
2
b)
4
c)
5
d)
6
50.
How many sig figs are there?
0.0009009090000
0.0009009090000
a)
3
b)
10
c)
14
51.
How many sig figs are there?
27000000
27000000
a)
2
b)
5
c)
8
52.
How many sig figs are there?
5.00000008
5.00000008
a)
2
b)
6
c)
9
53.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
54.
How many significant figures does the following number have: 0.998005
a)
9
b)
10
c)
6
d)
5
55.
How many significant figures does the following number have: 0.9870477
a)
8
b)
6
c)
5
d)
7
56.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
57.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
58.
How many Significant Figures in the number below?
4.56 x 103
4.56 x 103
a)
5
b)
4
c)
6
d)
3
59.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
60.
Round 720.36 to two sig figs
a)
72
b)
73
c)
720
d)
720.00
61.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
62.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
63.
Round 32.08 to two sig figs
a)
32
b)
33
c)
32.0
d)
32.1
64.
What is 78.5 rounded to one significant figure?
a)
79
b)
78.5
c)
70
d)
80
65.
What is 0.0568 rounded to 1 significant figure?
a)
0
b)
0.06
c)
0.6
d)
0.57
66.
How many significant figures does the following number have: 56.040
a)
2
b)
3
c)
4
d)
5
67.
Which of the following measurements contains two significant figures?
a)
0.00400 L
b)
0.00404 L
c)
0.00044 L
d)
0.00440 L
68.
What is the first significant figure in 0.0457?
a)
4
b)
5
c)
0
d)
7
69.
What is 98.907 rounded to 1 significant figure?
a)
98.9
b)
90
c)
100
d)
98.91
70.
What is the 2nd significant figure of 0.40520?
a)
4
b)
5
c)
0
d)
2
71.
What is 7000 rounded to 1 significant figure?
a)
0.7
b)
10000
c)
0
d)
7000
72.
0.0882 rounded to 2 s.f.
a)
0.08
b)
0.088
c)
0.09
d)
0.1
73.
Solve & Round to Correct Sig Figs.
4.5 + 4.32 =
4.5 + 4.32 =
a)
8.8
b)
8.7
c)
8
d)
8.0
74.
Solve & Round to Correct Sig Figs.
100 / 2 =
100 / 2 =
a)
50
b)
50.
c)
50.0
d)
50.00
75.
Solve & Round to Correct Sig Figs.
207 + 2 =
207 + 2 =
a)
209
b)
210
c)
209.0
d)
209.00
76.
Solve & Round to Correct Sig Figs.
103.45 + 2 =
103.45 + 2 =
a)
105
b)
104
c)
105.45
d)
106
77.
What is the correct answer with sig figs for
10.2 + 11.023 + 1.0008
10.2 + 11.023 + 1.0008
a)
22.2238
b)
22.224
c)
22.22
d)
22.2
78.
What is the correct number of sig figs in the following 5.00 x 6.0552
a)
4
b)
3
c)
5
d)
1
79.
With sig figs what is the correct answer in 50.230 + 5.2657 +1.98
a)
57.48
b)
57
c)
57.478
d)
57.4757
80.
Which of the following is the answer for the problem with the correct number of significant digits?
23.91 x 12.861 = 307.50651
23.91 x 12.861 = 307.50651
a)
308
b)
307.51
c)
307.5
d)
307
81.
Which of the following is the answer for the problem with the correct number of significant digits?
24.32 + 1.2 = 25.52
24.32 + 1.2 = 25.52
a)
25.6
b)
25.52
c)
25.5
d)
25
82.
Which of the following is the answer for the problem with the correct number of significant digits?
0.0025 x 1.41 = 0.003525
0.0025 x 1.41 = 0.003525
a)
0.00
b)
0.004
c)
0.00353
d)
0.0035
83.
Solve & Round to Correct Sig Figs.
4.5 + 4.32 =
4.5 + 4.32 =
a)
8.8
b)
8.7
c)
8
d)
8.0
84.
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
85.
How many estimated digits should there be in an accepted measurement?
a)
0
b)
1
c)
2
d)
3
86.
Which is correct regarding the significant digits for the number 0.0054?
a)
The zeroes are not significant digits since they are beginning zeroes.
b)
The zeroes are not significant digits since they are ending zeroes.
c)
They are significant since they are between significant digits.
d)
All zeroes are not significant digits.
87.
In the number 207.00 the two (2) zeroes after the decimal are
a)
not significant since they are ending zeroes after a decimal point.
b)
significant since they are ending zeroes after a decimal point.
c)
are significant since they are after a significant digit.
d)
not significant since they are between 2 significant digits.
88.
Solve & Round to Correct Sig Figs.
4.5 + 4.32 =
4.5 + 4.32 =
a)
8.8
b)
8.7
c)
8
d)
8.0
89.
Solve & Round to Correct Sig Figs.
4.5 + 4.32 =
4.5 + 4.32 =
a)
8.8
b)
8.7
c)
8
d)
8.0
90.
Subtract and round to proper number of sig figs: 7.987 m - 0.54 m =
a)
7.447 m
b)
7.45 m
c)
7.4 m
d)
7.5 m
91.
Solve and round with proper number of sig figs: 3.12 g + 0.8 g + 1.033 g =
a)
4.953 g
b)
4.9 g
c)
5.0 g
d)
5 g
92.
What is 99.907 rounded to 1 significant figure?
a)
1.0 X102
b)
90
c)
100
d)
98.91
93.
What is 99.907 rounded to 2 significant figure2?
a)
1.0 x 102
b)
90
c)
100
d)
98.91
94.
What is 0.0568 rounded to 1 significant figure?
a)
0.0
b)
0.06
c)
0.6
d)
0.057
95.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
96.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)
5 x 10-4
c)
5 x 103
d)
.5 x 103
97.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
98.
Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.
a)
True
b)
False
99.
Scientific Notation is made up of two number parts. The second part is a power of base 10.
a)
True
b)
False
100.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
101.
How do you write
1001
in scientific notation?
1001
in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
102.
How do you write
8.317 x 106
in standard form?
8.317 x 106
in standard form?
a)
8, 371, 000
b)
83, 170, 000
c)
837, 100
d)
8, 317, 000
103.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
104.
Express the following in scientific notation:
.000457
.000457
a)
457 x 106
b)
457 x 10-6
c)
4.57 x104
d)
4.57 x 10-4
105.
Express the following in standard notation:
8.025 x 10-8
8.025 x 10-8
a)
.00000008025
b)
.000000008025
c)
802,500,000,000
d)
80,250,000,000
106.
Express the following in standard notation:
8.025 x 10-8
8.025 x 10-8
a)
.00000008025
b)
.000000008025
c)
802,500,000,000
d)
80,250,000,000
107.
Express the following in scientific notation:
.000045
.000045
a)
4.5 x 10-5
b)
45 x 10-6
c)
4.5 x105
d)
45 x 106
108.
Express the following in scientific notation:
10,030,400,000
10,030,400,000
a)
1.00304 x 109
b)
1.00304 x 1010
c)
1.00403 x 1010
d)
1.00304 x10-10
109.
Express the following in scientific notation:
0.0000002203
0.0000002203
a)
.02203 x 107
b)
22.03 x 10-6
c)
2.203 x 10-7
d)
22.03 x 106
110.
Convert to scientific notation:
520,000,000
520,000,000
a)
52 x 107
b)
5.2 x 107
c)
5.2 x 108
d)
0.52 x 109
111.
Convert to standard notation:
2.4 x 10-3
2.4 x 10-3
a)
2400
b)
0.24
c)
0.024
d)
0.0024
112.
Convert to standard notation:
3.05 x 105
3.05 x 105
a)
305,000
b)
305
c)
3,050,000
d)
30,500
113.
UNDERSTANDING
If the exponent is a positive number...
If the exponent is a positive number...
a)
you will get a large number
b)
you will get a smaller number
114.
UNDERSTANDING
If the exponent is a negative number...
If the exponent is a negative number...
a)
you will get a large number
b)
you will get a small number
115.
How many zeros would be in this number if written in standard form?
6.47 x 1011
6.47 x 1011
a)
11
b)
9
c)
10
d)
12
116.
Which one of these is in scientific notation?
a)
8.987000
b)
8.98 x 106
c)
80.987 x 10
d)
8.986
117.
Write 7.113 x 107 in standard form.
a)
71,130,000
b)
7,113,000
c)
0.0000007113
d)
7,113
118.
Write 0.00000707 in scientific notation.
a)
7.07 x 10-6
b)
7.07 x 106
c)
707 x 108
d)
707 x 10-8
119.
Write 2.08 x 102 in standard form.
a)
208
b)
0.0208
c)
20,800
d)
0.208
120.
Write 6,700 in scientific notation.
a)
6.7 x 103
b)
6.7 x10-3
c)
67 x 102
d)
67 x 10-2
100 %
