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WorksheetsScientific Notation & Significant Figures
Total questions: 60
Worksheet time: 1hrs 12mins
Name
Class
Date
1.
The speed of light is 300,000 km/s. This number, when written in scientific notation, is
a)
3.0 x 106 km/s
b)
30 x 105 km/s
c)
3 x 105 km/s
d)
0.3 x 106 km/s
2.
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
3.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
4.
Express the following in standard notation:
8.025 x 10-4
8.025 x 10-4
a)
.0008025
b)
.00008025
c)
8,0250
d)
80,250
5.
When writing a number in scientific notation, the first number must be equal to or greater than 1 and less than 10.
a)
False
b)
True
6.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
7.
What is scientific notation?
a)
A long way to write really short numbers
b)
A short way to write really, really big numbers or really, really small numbers
c)
I don't know...
d)
None of the above
8.
Which one of these is in scientific notation?
a)
8.987000
b)
8.98 x 106
c)
80.987 x 10
d)
8.986
9.
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
10.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)
5 x 10-4
c)
5 x 10-3
d)
.5 x 103
11.
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
12.
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
13.
Write 274,400 in scientific notation.
a)
27.4400 x 104
b)
2.744 x 105
c)
2.7 x 105
d)
2.744000 x 106
14.
Write 650 in scientific notation.
a)
650 x 102
b)
6.5 x 102
c)
6.5 x 103
d)
It is impossible to determine without eating a snack first.
15.
0.9 x 10-3 is in scientific notation.
a)
True
b)
False
16.
Convert the following number from scientific notation to standard notation:
2.09 x 105
2.09 x 105
a)
209,000
b)
000.209
c)
2,090
d)
29,000
17.
Convert the following number from scientific notation to standard notation:
9.8 x 10-6
9.8 x 10-6
a)
0.0000098
b)
0.098
c)
0.98
d)
0.00098
18.
What is 6 x 10-4 power in standard notation?
a)
0.006
b)
0.0006
c)
6.0000
d)
6,000
19.
Express 5.0 x 10 -2 cm in standard form
(ordinary notation)
(ordinary notation)
a)
0.5 cm
b)
50 cm
c)
0.05 cm
d)
0.005 cm
20.
Express 9.3 x 10 -3 cm in standard form
(ordinary notation)
(ordinary notation)
a)
9300 cm
b)
0.093 cm
c)
0.0093 cm
d)
930.0 cm
21.
Express 9.58 x 100 g in standard form
(ordinary notation)
(ordinary notation)
a)
958
b)
9.58
c)
95.8
d)
0.958
22.
Express 3.772 x 102 g in standard form
(ordinary notation)
(ordinary notation)
a)
3772 g
b)
37.72 g
c)
3772.00 g
d)
377.2 g
23.
Express 1.59 x 100 in standard form
(ordinary notation)
(ordinary notation)
a)
15.9
b)
1.59
c)
0.0159
d)
159
24.
The density of an object is 37.72 g. This measurement, when written in scientific notation, is
a)
3.772 x 101 g
b)
0.3772 x 10-4 g
c)
3.772 x 103 g
d)
3.772 x 102 g
25.
The number of significant figures in 6.02 x 1023 is
a)
2
b)
3
c)
5
d)
26
26.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
27.
How many significant figures does the following number have: 0.998005
a)
9
b)
4
c)
6
d)
5
28.
How many significant figures does the following number have: 100.00210
a)
7
b)
5
c)
3
d)
8
29.
How many significant figures does the following number have: 100.3
a)
4
b)
3
c)
5
d)
2
30.
How many significant figures does the following number have: 56.040
a)
2
b)
3
c)
4
d)
5
31.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
32.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
33.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
34.
How many Significant Figures in the number below?
4.56 x 103
4.56 x 103
a)
5
b)
4
c)
6
d)
3
35.
How many significant figures does the following number have:
1740200 ?
1740200 ?
a)
4
b)
7
c)
3
d)
5
36.
How many sig figs are there?
4000.
4000.
a)
1
b)
3
c)
4
d)
cannot be determined
37.
How many sig figs are there?
100,000
100,000
a)
1
b)
5
c)
6
d)
cannot be determined
38.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
437,560
39.
What is 78.5 rounded to one significant figure?
a)
79
b)
78.5
c)
70
d)
80
40.
Round to three significant digits. 0.054540
a)
0.0546
b)
0.0545
c)
0.05
d)
0.000540
41.
The number of significant figures in the measurement
0.1300 meters is
0.1300 meters is
a)
2
b)
3
c)
4
d)
5
42.
The number of significant figures in the measurement
210.10 mL is
210.10 mL is
a)
2
b)
3
c)
4
d)
5
43.
How many significant figures are in the measurement
40600 mg?
40600 mg?
a)
2
b)
3
c)
4
d)
5
44.
Which of the following measurements contains two significant figures?
a)
0.00440 L
b)
0.00044 L
c)
0.00404 L
d)
0.00400 L
45.
What is the measurement 111.001 mm rounded off to four significant figures?
a)
111.0 mm
b)
111.01 mm
c)
110 mm
d)
111 mm
46.
What is the measurement 1047 L rounded off to three significant figures?
a)
1050 L
b)
1100 L
c)
1040 L
d)
1000 L
47.
What is the measurement 12,050 Kg rounded off to three significant figures?
a)
12,000 Kg
b)
12,050 Kg
c)
12,100 Kg
d)
none of these
48.
How many significant figures are in the measurement 13, 750 grams?
a)
2
b)
3
c)
4
d)
5
49.
How many significant figures are in the measurement 0.00350 grams?
a)
2
b)
3
c)
4
d)
5
50.
Round 124.72 g to three significant figures
a)
124.00
b)
125
c)
125.0
d)
124.0
51.
Round 124.72 g to four sig figs
a)
124.72
b)
125.7
c)
124.8
d)
124.7
52.
Round 72.9834 to four significant figures
a)
73.99
b)
72.98
c)
72.99
d)
73.98
53.
Round 72.9834 to five significant figures
a)
73.983
b)
72.984
c)
72.983
d)
72.9834
54.
Round 137.25462 to three significant figures
a)
140
b)
138
c)
137.2
d)
137
55.
Round 137.25462 to two significant figures
a)
140
b)
14
c)
130
d)
13
56.
Round 137.25462 to five significant figures
a)
137.25
b)
137.35
c)
137.255
d)
137.26
57.
Round 137.25462 to four significant figures
a)
137.2
b)
137.3
c)
148.2
d)
138.2
58.
Write the following in scientific notation:
0.007357
0.007357
a)
7.357 x 10 2
b)
7.357 x 10 -2
c)
7.357 x 10 3
d)
7.357 x 10 -3
59.
Write the following in scientific notation:
5325.7
5325.7
a)
5.3257 x 10 4
b)
5.3257 x 10 -4
c)
5.3257 x 10 3
d)
5.3257 x 10 -3
60.
Write the following in scientific notation:
2.538
2.538
a)
2.538 x 10 3
b)
2.538 x 10 -3
c)
2.538 x 101
d)
2.538 x 100
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