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All rights reserved.
Pre-Algebra
213
Chapter 4
Resource Book
Lesson 4.7
Write the number in scientific notation.
1.
1250
2.
205,000
3.
0.0035
4.
0.00058
5.
5,220,000
6.
0.000064
Write the number in standard form.
7.
5.3
10
2
8.
7.2
10
2
9.
4.3
10
3
10.
1.2
10
5
11.
9.45
10
5
12.
6.32
10
6
Complete the statement using <, >, or
.
13.
1.8
10
2
?
____ 1800
14.
43,000
?
____ 4.3
10
3
15.
6.9
10
3
?
____ 0.0068
16.
1.8
10
4
?
____ 0.0018
Find the product. Write your answer in scientific notation.
17.
(
6
10
2
)(
3
10
3
)
18.
(
4.5
10
3
)(
2
10
4
)
19.
(
4
10
3
)(
2.4
10
7
)
20.
(
2.5
10
2
)(
5
10
3
)
21.
The sun has a diameter of 1.39
10
6
kilometers. The diameter of Earth is
1.28
10
4
kilometers. How many times larger is the sun’s diameter than
the Earth’s diameter? Give your answer in scientific notation.
Order the numbers from least to greatest.
22.
2400; 2.5
10
2
; 2.3
10
3
23.
4.8
10
5
; 481,000; 4.7
10
5
24.
0.036; 3.5
10
2
; 3.7
10
2
25.
8.3
10
4
; 0.0084; 8.2
10
4
Write the number in scientific notation.
26.
Volume (in cubic kilometers) of water in Lake Michigan:
4920
27.
Approximate density (in grams per milliliter) of one helium atom:
0.0001787
Write the number in standard form.
28.
Floor area (in square meters) of the Sears Tower in Chicago:
4.16
10
5
29.
Approximate width (in meters) of a United States dollar bill:
6.6294
10
2
30.
Volume (in cubic meters) of a mole of helium atoms: 2.1
10
5
Practice B
For use with pages 206–211
Name
Date
4.7
L E S S O N
