Name _______________________
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Date ________________________
Topic 4 Review
Circle the one that is expressed in scientific notation.
1.
9 x 10⁴
0.67 x 10−4
2.
3.45 x 4−10
2.4959 x 101
3.
14.5 x 10−174
3.5 x 1021
Write the following calculator expressions in scientific notation.
4.
3.43E -19
5.
1.22E +6
Write the following numbers in scientific notation.
6.
1,230,000
7.
0.000003404
8.
0.00032
9.
1,000,000,000,000
10.
0.000007734
11.
423,000
Write the following numbers in standard form.
12.
4.2 x 10−5
13.
2.33 x 1012
14.
2.6 x 107
15.
9 x 109
16.
6.332 x 10−4
17.
5.55 x 10−9
Perform the indicated operation. Express all answers in scientific notation.
18.
(8.4 x 108 ) (4.2 x 103 )
20.
(4.26 x 10−5) + (3.3 x 10−5)
19.
9.2  10 6
2.3  10 2
21.
(32.5 x 10−6) - (2.9 x 10−6)
Perform the indicated operation. Express all answers in scientific notation.
22.
There are 3.4 x 109 particles of dust per cubic meter. How many particles are there in a room that is 1.2
x 103 cubic meters?
23.
The distance from Earth to the imaginary planet Med is 1.7 x 107 miles. If a spaceship is capable of
traveling 3.408 x 104 miles per day, how many days will it take the spaceship to reach the planet Med.
24.
Mercury’s distance from the sun is 3.58042 x 107 miles. The Earth is approximately 9.3 x 107 miles from
the sun. What would be the distance of a trip from Mercury to the sun to Earth?
25.
Mercury’s distance from the sun is 3.58042 x 107 miles. The Earth is approximately 9.3 x 107 miles from
the sun. How much farther from the sun is Earth than Mercury?