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Scientific Notation WP Review

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

The human heart beats an average of 80 beats per minute. How many beats is this in an hour? Express your answer in Scientific Notation.

a)

80 X 102 beats

b)

8 X 103 beats

c)

48 X 102 beats

d)

4.8 X 103 beats

e)

Cannot be determined

2.

The average person blinks approximately 20 times per minute. How many times does the average person blink in an hour? Put your answer in scientific notation.

a)

2 X 102 beats

b)

9 X 103 beats

c)

1.2 X 103 beats

d)

12 X 102 beat

e)

Cannot be determined

3.

Many domestic satellites maintain an orbit approximately 23,500 miles above Earth. What is the distance in miles in scientific notation?

a)

23.5 X 103

b)

2.35 X 104

c)

235 X 102

d)

0.235 X 10

e)

Cannot be determined

4.

The Earth is 149,600,000 Kilometers from the sun. What is the distance written in scientific notation?

a)

1.496 X 10-7

b)

1.496 X 10-8

c)

1.496 X 108

d)

1.496 X 109

e)

Cannot be determined

5.

A rectangular section of wilderness will be set aside as a new wildlife refuge for animals. Its dimensions are 5 X 105 by 4 X 104. Find the area of the land.

a)

20.0 X 109

b)

2.0 X 10-9

c)

1.0 X 108

d)

2.0 X 1010

e)

Cannot be determined

6.

A scientist is studying a bacterium with a diameter of 1.8 X 10-6 meter and a virus with a diameter of 2.5 X 10-9. How much greater is the bacterium than the virus?

a)

7000 times

b)

700 times

c)

70 times

d)

7 times

e)

0.7 times

7.

One cubic millimeter of Mrs. Jackson's blood contains approximately 5,000,000 red blood cells. There are about 4,900,000 cubic millimeters of blood in her body. Approximately how many red blood cells does Mrs. Jackson has in her body total?

a)

24.5 X 1013

b)

2.45 X 10-12

c)

2.45 X 1012

d)

2.45 X 1013

e)

Cannot be determined

8.

California, the most populous state, has approximately 4 X 107 billion people living in it. The population of the entire United States is approximately 3 X 108 billion people. About how many times greater is the population of the United States than the population of California?

a)

7.5 X 100 billion

b)

12 X 1015 billion

c)

0.75 X 10-2 billion

d)

1.2 X 101 billion

e)

Cannot be determined

9.

A rectangular section of land made up of corn farms has a length of 5 X 104 meters and a width of 6 X 103 meters. What is the area of the land in square meters?

a)

3 X 106

b)

3 X 107

c)

3 X 108

d)

3 X 1012

e)

Cannot be determined

10.

A microscope is set so it makes an object appear 4 X 102 times larger than its actual size. A virus has a diameter of 2 X 10-7 meter. How large will the diameter of the virus appear when it is viewed under the microscope?

a)

8 X 10-14

b)

8 X 10-5

c)

8 X 10-4

d)

8 X 105

e)

Cannot be determined

11.

Neptune is approximately 5 X 104 kilometers in diameter. Mars is approximately 7 X 103 kilometers in diameter. Which is an accurate comparison of the diameters of these two planets?

a)

the diameter of Neptune is more than 7 times greater than the diameter of Mars

b)

the diameter of Mars is more than 7 times greater than the diameter of Neptune

c)

the diameter of Neptune is about 1.4 times greater than the diameter of Mars

d)

the diameter of Mars is about 1.4 times greater than the diameter of Neptune.

e)

Cannot be determined

12.

A box contains 5 X 103 paper clips. The mass of each paper clip in the box is 8 X 10-4 kilograms. What is the combined mass of the paper clips in the box?

a)

4 kilograms

b)

40 kilograms

c)

4 X 107 kilograms

d)

4 X 10-7 kilograms

e)

Cannot be determined

13.

0.000065 is the wavelength of yellow light. Can you express the measurement using scientific notation?

a)

65 X 106

b)

6.5 X 10-5

c)

0.6 X 10-4

d)

6.5 X 105

e)

Cannot be determined

14.

In Australia, the people use approximately 2.24 X 109 pounds of bread each year. How is this written in standard notation?

a)

224,000

b)

22,400

c)

224,000,000

d)

2,240,000,000

e)

Cannot be determined

15.

The head of a pin has a diameter of 1 X 10-4 meter. A bacterium has a diameter of 5 X 10-7 meter. How many bacteria that size would fit across the diameter of the pinhead?

a)

20

b)

200

c)

50

d)

500

e)

Cannot be determined

16.

The population of Europe is approximately 3 X 107. The population of Japan is 2 x 109. The population of Spain approximately 1 X 108. Which statement accurately compares the populations of Europe and Spain?

a)

The population of Japan is greater than the population of Spain.

b)

The population of Spain is more than 30 times greater than the population of Europe

c)

The population of Japan is less than the population of Europe.

d)

The population of Europe is more than 30 times greater than the population of Spain

e)

The population of Japan and Europe is equivalent to Spain.

17.

A farmer has a section of a field that measures 4 X 103 feet by 5 X 105 feet planted with potatoes. Another sectio is planted with corn measuring 6 X 104 feet by 3 X 104 feet. What is the area of the section of potatoes?

a)

2,000,000

b)

2,000,000,000

c)

9,000,000

d)

9,000,000,000

e)

Cannot be determined

18.

A farmer has a section of a field that measures 4 X 103 feet by 5 X 105 feet planted with potatoes. Another section is planted with corn measuring 6 X 104 feet by 3 X 104 feet. What is the area of the section of corn?

a)

2 X 102

b)

2 X 109

c)

1.8 X 102

d)

1.8 X 109

e)

Cannot be determined

19.

A farmer has a section of a field that measures 4 X 103 feet by 5 X 105 feet planted with potatoes. Another sectio is planted with corn measuring 6 X 104 feet by 3 X 104 feet. How much larger is the area of potatoes vs the corn section?

a)

3.8 X 104

b)

3.8 X 102

c)

1.11 X 100

d)

1.11 X 103

e)

Cannot be determined

20.

The table provided shows the population of three largest countries in North America in the 20th Century. How much larger is the United States in comparison to Mexico?

a)

3.38 X 10-1

b)

4.538 X 103

c)

2.81 X 100

d)

3.41 X 102

e)

Cannot be determined