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Worksheets

Scientific Notation

Total questions: 11

Worksheet time: 14mins

Name
Class
Date
1.

Express the following number in scientific notation:

0.0021

a)

.21 x 103

b)

2.1 x 103

c)

2.1 x 10-3

d)

21 x 10-3

2.

Express the following number in scientific notation:

10,005

a)

1.0005 x 10-4

b)

1.0005 x 104

c)

10.005 x 103

d)

.10005 x 105

3.

Express the following number in scientific notation:

0.490

a)

4.90 x 10-1

b)

0.490 x 100

c)

49.0 x 102

d)

4.90 x 101

4.

Express the following number in scientific notation:

445,000

a)

44.5000 x 104

b)

4.45 x 10-5

c)

44.5 x 10-4

d)

4.45 x 105

5.

Express the following number in its expanded form:

2.24 x 105

a)

224,000

b)

0.0000224

c)

22,400

d)

0.000224

6.

Express the following number in its expanded form:

1.5 x 10-9

a)

1,500,000,000

b)

150,000,000

c)

15,000,000

d)

0.0000000015

7.

Express the following number in its expanded form:

6.55 x 10-1

a)

655

b)

0.655

c)

6.55

d)

65.5

8.

Express the following number in its expanded form:

9 x 103

a)

0.0009

b)

0.009

c)

9,000

d)

900

9.

Perform the following calculation.

Express your answer in scientific notation.

(7.4 x 10-2) - (6.5 x 10-4)

a)

4.81 x 107

b)

7.335 x 10-2

c)

9.0 x 10-1

10.

Perform the following calculations.

Express your answer in scientific notation.

(5 x 104)(2 x 102)

a)

10 x 108

b)

3.0 x 108

c)

1.0 x 107

11.

Perform the following calculations.
Express your answer in scientific notation.
 7.15 x 1032.5 x 103\frac{7.15\ x\ 10^3}{2.5\ x\ 10^{-3}}  

a)

 2.86 x 1062.86\ x\ 10^{-6}  

b)

 28.6 x 10728.6\ x\ 10^7  

c)

 2.86 x 1062.86\ x\ 10^6