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Worksheets

Notación científica

Total questions: 49

Worksheet time: 1hrs 2mins

Name
Class
Date
1.

Resolver y marcar la respuesta correcta :

12x102m3x101m=\frac{12x10^2m}{3x10^{-1}m}=  

a)

4x1034x10^3  

b)

4x103m4x10^3m  

c)

3x1033x10^3  

d)

NingunoNinguno  

2.

5×107 kg +3×107 kg 5\times10^{-7}\ kg\ +3\times10^{-7}\ kg\  

a)

8×107 kg 8\times10^{-7}\ kg\  

b)

10×107 kg 10\times10^{-7}\ kg\  

c)

2×1014 kg 2\times10^{-14}\ kg\  

3.

4×103kg +3×103kg 4\times10^{-3}kg\ +3\times10^{-3}kg\  

a)

7×103kg 7\times10^{-3}kg\  

b)

1×103kg 1\times10^{-3}kg\  

c)

7×106kg 7\times10^{-6}kg\  

4.

6×108 m24×108 m26\times10^{-8}\ m^2-4\times10^{-8}\ m^2  

a)

9×108 m29\times10^{-8}\ m^2  

b)

2×1016 m22\times10^{-16}\ m^2  

c)

2×108 m22\times10^{-8}\ m^2  

5.

5.8×109 m2 2.8 ×109 m25.8\times10^{-9}\ m^2\ -2.8\ \times10^{-9}\ m^2  

a)

3×109 m23\times10^{-9}\ m^2  

b)

3×1018 m23\times10^{-18}\ m^2  

c)

5.8×109 m2 5.8\times10^{-9}\ m^2\  

6.

6.0×103mg+2×104mg6.0\times10^{-3}mg+2\times10^{-4}mg  

a)

6.2×103mg6.2\times10^{-3}mg  

b)

6.0×103mg6.0\times10^{-3}mg  

c)

8.0×103mg8.0\times10^{-3}mg  

7.

Consider Exponent Rules....

104106=?10^{-4}\cdot10^{-6}=?  

a)

10^-6

b)

10^-8

c)

10^-10

d)

10^-12

8.

Consider Exponent Rules....

104106=?10^4\cdot10^6=?  

a)

10^6

b)

10^8

c)

10^10

d)

10^12

9.

Consider Scientific Notation...

5 Which is the correct coefficient of 147,000 when it is written in scientific notation

a)

147

b)

14.7

c)

1.47

d)

0.147

10.

Which is the correct coefficient of 23,400,000 when it is written in scientific notation?

a)

0.234

b)

2.34

c)

234.

d)

23.4

11.

How many places do you need to move the decimal point to change 190,000 to 1.9?

a)

3

b)

4

c)

5

d)

6

12.

How many places do you need to move the decimal point to change 765,200,000,000 to 7.652?

a)

11

b)

10

c)

9

d)

8

13.

Which of the following is 345,000,000 in scientific notation?

a)

3.45 x 10^8

b)

3.45 x 10^6

c)

345 x 10^6

d)

.345 x 10^9

14.

MULTIPLE ANSWER SELECT

Which of these numbers, written in scientific notation, is not a number greater than one?

a)

0.34 x 10^-8

b)

7.2 x 10^3

c)

8.9 x 10^-4

d)

2.2 x 10^-1

e)

11.4 x 10^12

15.

Which is the correct decimal placement for a coefficient to convert 0.000832 to scientific notation?

a)

832

b)

83.2

c)

0.832

d)

8.32

16.

How many times do you need to move the decimal point to change 0.00658 to 6.58?

a)

2

b)

3

c)

4

d)

5

17.

Write 0.00278 in scientific notation.

a)

27.8 x 10^-4

b)

2.78 x 10^3

c)

2.78 x 10 ^-3

d)

278 x 10^-3

18.

Consider Exponent Rules....

102104=?10^2\cdot10^4=?  

a)

10^6

b)

10^8

c)

10^10

d)

10^12

19.

Consider Exponent Rules....

1014106=?10^{14}\cdot10^{-6}=?  

a)

10^6

b)

10^8

c)

10^10

d)

10^12

20.
Write 0.0078 in scientific notation.
a)
7.8 x 103
b)
7.8 x 10-3
c)
78 x 10-4
d)
780
21.
Write 345,000 in scientific notation.
a)
3.45 x 103
b)
34.5 x 104
c)
3.45 x 105
d)
345 x 103
22.

Write 3.56 × 1011 as an ordinary number.

a)

3,560,000,000

b)

35,600,000,000

c)

356,000,000,000

d)

3,560,000,000,000

23.

The length of a bacterium is about 4 × 10-5 inch.What is the length of a bacterium written as an ordinary number?

a)

0.0004 inch

b)

0.00004 inch

c)

0.000004 inch

d)

0.0000004 inch

24.

The speed of sound in dry air at 20° C (68° F) is 1.236 × 103 km/h. What is the speed of sound written as an ordinary number?

a)

12360 km/h

b)

1236 km/h

c)

123.6 km/h

d)

12.36 km/h

25.

The speed of light in a vacuum is 299 792 458 m/s. How is this number written in Scientific Notation?

a)

0.299 792 458 × 109 m/s

b)

2.997 924 58 × 108 m/s

c)

29.979 245 8 × 107 m/s

d)

2.997 924 58 × 109 m/s

26.

Express the following quantities in scientific notation:

780000 mm

a)

780 ×103 mm780\ \times10^{3\ }mm  

b)

0.78 ×106 mm0.78\ \times10^6\ mm  

c)

7.8 ×105 mm7.8\ \times10^5\ mm  

d)

7.8 ×104 mm7.8\ \times10^4\ mm  

27.

Express the following quantities in scientific notation:

200cm

a)

20 ×102 cm20\ \times10^2\ cm  

b)

2 ×102 mm2\ \times10^2\ mm  

c)

2 ×102m2\ \times10^2m  

d)

2 ×102 cm2\ \times10^2\ cm  

28.

La masa de un átomo de oxígeno es de  0. 000 000 000 000 000 000 000 0266 g.

a)

2.66 x 10 202.66\ x\ 10\ ^{-20}  g

b)

2.66 x 10 212.66\ x\ 10\ ^{-21}  g

c)

2.66 x 10 222.66\ x\ 10\ ^{-22}  g

d)

2.66 x 10 232.66\ x\ 10\ ^{-23}  g

29.

El coronavirus tiene un diámetro de 0.0003 mm. 

a)

3.00 x 10 23.00\ x\ 10\ ^{-2}  mm

b)

3.00 x 10 33.00\ x\ 10\ ^{-3}  mm

c)

3.00 x 10 43.00\ x\ 10\ ^{-4}  mm

d)

3.00 x 10 53.00\ x\ 10\ ^{-5}  mm

30.

El Virus de inmunodeficiencia humana VIH, tiene un diámetro de 0.00012 milímetros

a)

1.20 x 10 41.20\ x\ 10\ ^{-4}  mm

b)

1.20 x 10 31.20\ x\ 10\ ^{-3}  mm

c)

1.20 x 10 21.20\ x\ 10\ ^{-2}  mm

d)

1.20 x 10 11.20\ x\ 10\ ^{-1}  mm

31.

El grosor de un cabello es de 0.015 milimétros 

a)

1.50 x 10 41.50\ x\ 10\ ^{-4}  mm

b)

1.50 x 10 31.50\ x\ 10\ ^{-3}  mm

c)

1.50 x 10 21.50\ x\ 10\ ^{-2}  mm

d)

1.50 x 10 11.50\ x\ 10\ ^{-1}  mm

32.
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
33.
How would you write 5.6 x 10-3 in standard form?
a)
0.00506
b)
5,600
c)
0.00056
d)
0.0056
34.
Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.
a)
True
b)
False
35.
Scientific Notation is made up of two number parts. The second part is a power of base 10.
a)
True
b)
False
36.
How do you write
1001
in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
37.
How do you write
8.317 x 106
in standard form?
a)
8, 371, 000, 000
b)
83, 170, 000
c)
837, 100
d)
8, 317, 000
38.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
39.
Express the following in scientific notation:
.000457
a)
457 x 106
b)
457 x 10-6
c)
4.57 x104
d)
4.57 x 10-4
40.
Express the following in standard notation:
8.025 x 10-8
a)
.000 000 080 25
b)
.000 000 008 025
c)
802,500,000,000
d)
80,250,000,000
41.
Express the following in scientific notation:
.000 045
a)
4.5 x 10-5
b)
45 x 10-6
c)
4.5 x105
d)
45 x 106
42.
Express the following in scientific notation:
10,030,400,000
a)
1.00304 x 109
b)
1.00304 x 1010
c)
1.00403 x 1010
d)
1.00304 x10-10
43.
Express the following in scientific notation:
0.000 000 220 3
a)
.02203 x 107
b)
22.03 x 10-6
c)
2.203 x 10-7
d)
22.03 x 106
44.
Convert to scientific notation:
520,000,000  
a)
52 x 107
b)
5.2 x 107
c)
5.2 x 108
d)
0.52 x 109
45.
Convert to standard notation:
2.4 x 10-3 
a)
2400
b)
0.24
c)
0.024
d)
0.0024
46.
Convert to standard notation:
3.05 x 105 
a)
305,000
b)
305
c)
3,050,000
d)
30,500
47.
What is scientific notation?
a)
A long way to write really short  numbers
b)
A short-hand way to write really long numbers (big or small)
c)
I don't know...
d)
None of the above
48.
How many zeros would be in this number if written in standard form?
6.47 x 1011
a)
11
b)
9
c)
10
d)
12
49.
Which one of these is in scientific notation?
a)
8.987000
b)
8.98 x 106
c)
80.987 x 10
d)
8.986