WorksheetsScientific Notation Word Problems
Total questions: 19
Worksheet time: 2hrs 59mins
Name
Class
Date
1.
3. In the year 2000, the United States public debt was about 5.6 x 1012 dollars. The population of the United States in that year was about 2.8 x 108 people. What was the average debt per person?
a)
Add
b)
Subtract
c)
Multiply
d)
Divide
2.
1. The pitch of a sound is determined by the number of vibrations produced per second. The note “middle C” produces 2.62 x 102 vibrations per second. If a pianist plays middle C for 5 x 10-1 seconds, how many vibrations will occur?
a)
Addition
b)
Subtraction
c)
Multiply
d)
Divide
3.
2. On average, Mercury is about 57,000,000 km from the sun, whereas Neptune is about km from the sun. What is the difference between Neptune’s and Mercury’s distances from the sun?
a)
Add
b)
Subtract
c)
Multiply
d)
Divide
4.
4. Find the combined mass of Earth and Venus. Earth is approximately 5.9 x 1024 kg and Venus is approximately 4.9 x 1024 kg.
a)
Add
b)
Subtract
c)
Multiply
d)
Divide
5.
5. The Colorado Department of Education spent about 4.408 x 109 in fiscal year 2004-2005 on public schools. There were about 7.6 x 105 students enrolled in public school. What was the average spending per student?
a)
Add
b)
Subtract
c)
Multiply
d)
Divide
6.
The mean distance from the sun to Earth is 9.29 x 107 miles. Jupiter's mean distance from the sun is 4.8388 x 108 miles. What is the difference between these two distances in miles?
a)
4.3092 x 101
b)
3.9098 x 107
c)
3.9098 x 108
d)
5.7678 x 108
7.
The mass of he sun is 1.989 x 1030 kilograms. The mass of the earth is 5.98 x 1024 kilograms. How many times bigger is the sun than the earth?
a)
3.326 x 105
b)
3.326 x 106
c)
1.99 x 1030
d)
1.99 x 106
8.
There are approximately 3.1 x 108 people in the United States. If each person has 4.1 x 101 coins, how many coins are there altogether?
a)
1.271 x 1010
b)
1.271 x 109
c)
1.271 x 1011
d)
1.271 x 108
9.
A microgram is equal to 1 x 10 -6 grams. How many times greater than a microgram is 1 x 102 grams?
a)
1 x 10-8
b)
1 x 10-4
c)
1 x 104
d)
1 x 108
10.
As part of a community service project, a class planted 7x105 trees in a year. If there are 3.5x103 students in the school, how many trees did each student plant?
a)
2 x 108
b)
2 x 102
c)
3.5 x 108
d)
3.5 x 102
11.
A microgram is equal to 1 x 10 -6 grams. How many times greater than a microgram is 1 x 102 grams?
a)
1 x 10-8
b)
1 x 10-4
c)
1 x 104
d)
1 x 108
12.
The mass of he sun is 1.989 x 1030 kilograms. The mass of the earth is 5.98 x 1024 kilograms. How many times bigger is the sun than the earth?
a)
3.326 x 105
b)
3.326 x 106
c)
1.99 x 1030
d)
1.99 x 106
13.
By area, Russia is the largest country in the world. It has an area of 8.649 x 106 square miles. Canada is second with 4.797 x 106 square miles. What is the difference in area?
a)
3.852 x 106 square miles
b)
3.852 x 100 square miles
c)
1.803 x 106 square miles
d)
1.803 x 101 square miles
14.
A computer's hard disk drive holds 8 x 107 bytes of information. If Jill buys an extra memory stick that holds 3 x 106 bytes of information, how much memory will the computer hold?
a)
11 x 1013
b)
11 x 107
c)
8.3 x 1013
d)
8.3 x 107
15.
The Diplodocus dinosaur is believed to have become extinct approximately 1.38x108 years ago. The Oviraptor is believed to have become extinct approximately 7x107 years ago. How many years were there between the extinction of these two dinosaur types?
a)
6.8 x 108
b)
6.8 x 109
c)
68 x 108
d)
6.8 x 107
16.
As part of a community service project, a school planted 7x105 trees in a year. If there are 3.5x103 students in the school, how many trees did each student plant?
a)
2 x 108
b)
2 x 102
c)
3.5 x 108
d)
3.5 x 102
17.
6. Rhode Island is the smallest state in the United States. Its land area is about 2.9 x 1010 square feet. Alaska, the largest state, is about 5.5 x 102 square feet. How many times larger is Alaska than Rhode Island?
a)
Add
b)
Subtract
c)
Multiply
d)
Divide
18.
7a. The approximate total surface area of the Earth is 5.1 x 108 km. Salt water has an approximate surface area of 352,000,000 km and freshwater has an approximate surface area of 9 x 106 km. How much of the Earth’s surface is covered by water, including both salt and freshwater?
a)
Add
b)
Subtract
c)
Multiply
d)
Divide
19.
The population of Mathville is 5.6 x 103. The population of Algeville is 1.3 x 104. How many more people are there in Algeville?
a)
Add
b)
Subtract
c)
Multiply
d)
Divide
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