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Significant Figures

Total questions: 111

Worksheet time: 4hrs 49mins

Name
Class
Date
1.
How many significant figures: 216 m
a)
1
b)
2
c)
3
d)
0
2.
How many significant figures: 2016 m
a)
1
b)
2
c)
3
d)
4
3.
How many significant figures: 153.0 mL
a)
1
b)
2
c)
3
d)
4
4.
How many significant figures: 0.012 km
a)
1
b)
2
c)
3
d)
4
5.
How many significant figures: 1000 mL
a)
1
b)
2
c)
3
d)
4
6.
How many significant figures: 100.000 cL
a)
1
b)
3
c)
5
d)
6
7.
How many significant figures: 0.001 g
a)
4
b)
3
c)
2
d)
1
8.
How many significant figures: 4.20 cm
a)
1
b)
2
c)
3
d)
4
9.
How many significant figures: 0.010 L
a)
1
b)
2
c)
3
d)
4
10.

How many significant figures: 450 m

a)

3

b)

2

c)

1

d)

0

11.
How many sig figs are there?
100000000
a)
1
b)
9
c)
10
12.
How many sig figs are there?
0.000008
a)
1
b)
2
c)
6
d)
7
13.

How many significant figures are there in 1008 grams?

a)

1

b)

2

c)

3

d)

4

14.
How many sig figs are there?
27000000
a)
2
b)
5
c)
8
15.
How many sig figs are there?
5.00000008
a)
2
b)
6
c)
9
16.
Solve and give your answer with the correct number of significant figures
(12.470)(271)
a)
3366.9
b)
3.37x103
c)
3400
d)
3370
17.
Solve and give your answer with the correct number of significant figures
129.6/3
a)
43.0
b)
43
c)
 4x101
d)
40
18.
Solve and give your answer with the correct number of significant figures
24.28 + 12.5
a)
3.687 x 101
b)
36.8
c)
37
d)
3.70x101
19.
Solve and give your answer with the correct number of significant figures
1421-34
a)
1.39x103
b)
1387
c)
1390
d)

1400

20.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
21.

How many significant figures does the following number have: 0.002040

a)

6

b)

4

c)

3

d)

1

22.

How many significant figures does the following number have: 100.00210

a)

7

b)

10

c)

5

d)

8

23.

Round 0.010229 to four sig figs

a)

1022

b)

1023

c)

0.01023

d)

0.01022

24.

Round 1047.78 to three sig figs

a)

104

b)

105

c)

1050

d)

1050.00

25.

Round 1009 to three sig figs

a)

100

b)

101

c)

1000

d)

1010

26.

What is the measurement 1052 Liters rounded to 2 significant figures?

a)

1040 L

b)

1.1 x 103 L

c)

1.0 x 103 L

d)

1050 L

27.

What is 78.5 rounded to one significant figure?

a)

80

b)

78.5

c)

70

d)

79

28.

Determine the number of Significant Figures in 10.00-g

a)

5

b)

4

c)

3

d)

1

29.

Calculate 923 g ÷ 20312 cm3 and give your answer with the correct number of significant figures.

a)

0.04 g/cm3

b)

0.045g/cm3

c)

0.0454 g/cm3

d)

0.05 g/cm3

30.

Calculate 1.23 m x 0.89 m and give your answer with the correct number of significant figures.

a)

1.0 m2

b)

1.1 m2

c)

1.0947 m2

d)

1.095 m2

31.

Calculate 7.987 m - 0.54 m and give your answer with the correct number of significant figures.

a)

7.45 m

b)

7.5 m

c)

7.4 m

d)

7.447 m

32.

Calculate 12.34 + 1.234 + 0.1234 and give your answer with the correct number of significant figures.

a)

13.6974

b)

13.697

c)

13.70

d)

13.7

33.

 How many Significant Figures in the number below?4.56 x 103

(a)  

34.

 It is possible to get the exact measurement of an object. (True or false)

(a)  

35.

The ability to hit the desired target is called (Accuracy or Precision).

(a)  

36.

The ability to replicate the same results is called (accuracy or precision?

(a)  

37.

How many significant figures does 100cm = 1 m have?

(a)  

38.

How many significant figures are there in 5 girls and 3 boys make up the 10th grade.

(a)  

39.

How many significant figures are there in 125 meters?

a)

1

b)

2

c)

3

d)

4

40.

How many significant figures are there in 1008 grams?

a)

1

b)

2

c)

3

d)

4

41.

How many significant figures are there in 10082 kilometers?

a)

1

b)

2

c)

3

d)

5

42.

How many significant figures are there in 10 liters?

a)

1

b)

2

c)

3

d)

4

43.

How many significant figures are there in 0.0054 grams?

a)

1

b)

2

c)

3

d)

4

44.

How many significant figures are there in 0.020 meters?

a)

1

b)

2

c)

3

d)

4

45.

Identify, how many significant figures does the following number have?

408408  



(a)  

46.

Identify, how many significant figures does the following number have?

321.012321.012  



(a)  

47.

Identify, how many significant figures does the following number have?

0.005090.00509  



(a)  

48.

Identify, how many significant figures does the following number have?

3200032000  



(a)  

49.
How many significant figures: 1000 mL
a)
1
b)
2
c)
3
d)
4
50.
How many significant figures: 0.001 g
a)
4
b)
3
c)
2
d)
1
51.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
52.

What measurement contains three sig. figs.?

a)

0.05g

b)

0.050g

c)

0.056g

d)

0.0563g

53.

Which of the following is NOT a rule for determining significant zeros?

a)

Zeros between nonzero digits are significant.

b)

Zeros in front of nonzero digits are significant.

c)

Zeros at the end of a number and to the right of a decimal are significant.

d)

If a zero has not been measured or estimated it is not significant.

54.

How many significant figures are in the number? 2804 m

a)

3

b)

4

c)

5

d)

unknown

55.

How many significant figures are in the number? 75,000 m

a)

2

b)

3

c)

5

d)

unknown

56.

How many significant figures are in the number? 4.06 x 10-5 m

a)

3

b)

7

c)

5

d)

unknown

57.

How many significant figures are in the number? 0.003068 m

a)

6

b)

5

c)

4

d)

unknown

58.

How many significant figures are in the number? 75.00 m

a)

2

b)

3

c)

4

d)

unknown

59.

What is the correct answer to: 6.201 cm + 7.4 cm + 0.68 cm +12.0 cm =

a)

26.281

b)

26.28

c)

26.2

d)

26.3

60.

What is the correct answer for: 12.00 m +15.001m =

a)

27.001

b)

27.00

c)

27.0

d)

27

61.

What is the correct answer for: 1.31 cm x 2.3 cm

a)

3.013

b)

3.01

c)

3.02

d)

3.0

62.

What is the correct answer for: 20.2 cm ÷ 7.41 s

a)

2.726045884

b)

2.72604

c)

2.73

d)

2.7

63.

What is the correct answer for: (2 X 107 ) x (8 X 10-9 )

a)

0.22

b)

1.6 x 10-1

c)

4 x 10-1

d)

2 x 10-1

64.

Calculate 5.50 cm + 5.50 cm and give your answer with the appropriate number of significant figures.

a)

11 cm

b)

11.0 cm

c)

11.00 cm

d)

11.000 cm

65.

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

66.
Calculate 345.009 g - 23.009 g and give your answer with the appropriate number of significant figures.
a)
322.00 g
b)
322 g
c)
322.000 g
d)
322
67.
Calculate 7.987 m - 0.54 m and give your answer with the appropriate number of significant figures.
a)
7.45 m
b)
7.447 m
c)
7.4 m
d)
7.5 m
68.
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
69.

Solve and round to the correct number of significant figures.

791.6 x 52

a)

41000

b)

41

c)

41160

d)

41200

70.

Solve and round to the correct number of significant figures.

730 / 1.89

a)

390

b)

386.243

c)

386

d)

386.24

71.

Solve and round to the correct number of significant figures.


23.7 x 3.8

a)

90.06

b)

90.1

c)

91

d)

90.

72.

Solve and round to the correct number of significant figures.


1.678 / 0.42

a)

4.0

b)

3.99

c)

3.9

d)

4

73.

Solve and round to the correct number of significant figures.


1.5 x 0.5

a)

.75

b)

.8

c)

.750

d)

.7

74.

How many significant figures does the following number have: 0.002040

a)

6

b)

4

c)

3

d)

1

75.

How many significant figures does the following number have: 100.00210

a)

7

b)

10

c)

5

d)

8

76.

Round 0.010229 to four sig figs

a)

1022

b)

1023

c)

0.01023

d)

0.01022

77.

Round 1047.78 to three sig figs

a)

104

b)

105

c)

1050

d)

1050.00

78.

Round 1009 to three sig figs

a)

100

b)

101

c)

1000

d)

1010

79.

What is the measurement 1052 Liters rounded to 2 significant figures?

a)

1040 L

b)

1.1 x 103 L

c)

1.0 x 103 L

d)

1050 L

80.

What is 78.5 rounded to one significant figure?

a)

80

b)

78.5

c)

70

d)

79

81.

Determine the number of Significant Figures in 10.00-g

a)

5

b)

4

c)

3

d)

1

82.

Calculate 923 g ÷ 20312 cm3 and give your answer with the correct number of significant figures.

a)

0.04 g/cm3

b)

0.045g/cm3

c)

0.0454 g/cm3

d)

0.05 g/cm3

83.

Calculate 1.23 m x 0.89 m and give your answer with the correct number of significant figures.

a)

1.0 m2

b)

1.1 m2

c)

1.0947 m2

d)

1.095 m2

84.

Calculate 7.987 m - 0.54 m and give your answer with the correct number of significant figures.

a)

7.45 m

b)

7.5 m

c)

7.4 m

d)

7.447 m

85.

Calculate 12.34 + 1.234 + 0.1234 and give your answer with the correct number of significant figures.

a)

13.6974

b)

13.697

c)

13.70

d)

13.7

86.

 How many Significant Figures in the number below?4.56 x 103

(a)  

87.

 It is possible to get the exact measurement of an object. (True or false)

(a)  

88.

The ability to hit the desired target is called (Accuracy or Precision).

(a)  

89.

The ability to replicate the same results is called (accuracy or precision?

(a)  

90.

How many significant figures does 100cm = 1 m have?

(a)  

91.

How many significant figures are there in 5 girls and 3 boys make up the 10th grade.

(a)  

92.
Calculate 5.50 cm + 5.50 cm and give your answer with the appropriate number of significant figures.
a)
11 cm
b)
11.0 cm
c)
11.00 cm
d)
11.000 cm
93.
How many significant figures will be in the answer to the following question:
7.62 x 6.98 x 3.2645
a)
1
b)
2
c)
3
d)
4
94.
Calculate 12.34 + 1.234 + 0.1234
a)
13.6974
b)
13.697
c)
13.70
d)
13.7
95.
Calculate 345.009 g - 23.009 g and give your answer with the appropriate number of significant figures.
a)
322.00 g
b)
322 g
c)
322.000 g
d)
322
96.

5.40 x 7.90

a)

42.66

b)

42.7

c)

43

d)

40

97.

In division and multiplication, the answer should have the same number of significant figures as the

a)

number in the calculation with the fewest significant figures.

b)

number in the calculation with the most significant figures.

c)

average number of significant figures in the calculation.

d)

total number of significant figures in the calculation.

98.

The dimensions of rectangular solid are measured to be 1.27 cm, 1.3 cm, and 2.5 cm. The volume should be recorded as

a)

4.128 cm3.

b)

4.12 cm3.

c)

4.13 cm3.

d)

4.1 cm3.

99.

Samples with masses of 0.12 g, 1.8 g, and 0.562 g are mixed together. The combined mass of the three samples, expressed to the correct number of significant figures, should be recorded as

a)

2.4 g.

b)

2.48 g.

c)

2.482 g.

d)

2.5 g.

100.

What is the correct answer to: 6.201 cm + 7.4 cm + 0.68 cm +12.0 cm =

a)

26.281

b)

26.28

c)

26.2

d)

26.3

101.

What is the correct answer for: 1.31 cm x 2.3 cm

a)

3.013

b)

3.01

c)

3.02

d)

3.0

102.

Solve and round to the correct number of significant figures.

730 / 1.89

a)

390

b)

386.243

c)

386

d)

386.24

103.
Calculate 923 g ÷ 20312 cm3 and give your answer with the appropriate number of significant figures.
a)
0.04 g/cm3
b)
0.045 g/cm3
c)
0.0454 g/cm3
d)
4 x 10-2 g/cm3
104.

What is the correct answer for this problem:

3.5 cm x 4.21cm =

a)

14.7 cm

b)

14.7 cm2

c)

15 cm

d)

15 cm2

105.
Calculate 12.47 m ÷ 3.2 s and give your answer with the correct number of significant figures.
a)
4 m/s
b)
3.9 m/s
c)
3.90 m/s
d)
3.897 m/s
106.

Complete the following calculations. Round off your answers as needed.

245.01 km x 2.1 km

a)

5.14521 x 102

b)

510

c)

514

d)

514.521

107.

What is the correct answer for: 12.00 m +15.001m =

a)

27.001

b)

27.00

c)

27.0

d)

27

108.

5.9 x 6.01

a)

35.459

b)

35.46

c)

35.5

d)

35

109.

Solve. Round using SigFig math rules.

98.7°C - 97.25°C

a)

1°C

b)

1.5°C

c)

1.45°C

d)

1.450°C

110.

12.34 + 1.234 + 0.1234 =

a)

13.6974

b)

13.697

c)

13.70

d)

13.7

111.

10.0 x 100.0 =

a)

1000

b)

1.000 x 104

c)

100 x 101

d)

1.00 x 103

e)

100.

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