A) Write Each Number in Scientific Notation

Scientific Notation

Scientific Notation – Used to write very large (and very small) numbers.

______x 10

A)  Write each number in scientific notation.

1)  3,000,000 = ______

2)  358,000,000 = ______

3)  0.00423 = ______

4)  0.00031 = ______

B)  Write each number in standard form.

1) 4.7 x 10 = ______= ______

2)  7 x 10 = ______= ______

3)  2.028 x 10 = ______= ______

4)  1.058 x 10 = ______= ______

C)  Comparing Numbers in Scientific Notation

First, order the numbers according to their exponents. Then order the numbers with the same exponents by comparing the factors.

Which is larger? 2.56 x 10 or 5.467 x 10

Write each number in standard form. (SW on separate paper)

1) 7.32 x 10 2) 9.931 x 10 3) 4.55 x 10

4) 4.265 x 10 5) 7.113 x 10 6) 2.0475 x 10

7) 2.0198 x 10 8) 1.39003 x 10 9) 4 x 10

Write each number in scientific notation. (SW on separate paper)

10) 6, 700 11) 43,000 12) 52,300,000

13) 0.00004955 14) 0.524 15) 147,000,000

16) 0.00000707 17) 52,300,000 18) 0.034

Answer the following. (SW on separate paper)

19) Which is greater? 6.3 x 10 or 7.1 x 10

20) Which is less? 4.1 x 10 or 3.2 x 10

21) The smallest unit of time is the yoctosecond, which equals

0.000000000000000000000001 second. Write this number in

scientific notation.

22) A googol is a number written as a 1 followed by 100 zeros.

Write a googol in scientific notation.

23) The following table lists five Major League Ballparks. List the ballparks from least capacity to greatest capacity.

Stadium Team Capacity

H.H.H. Metrodome Minnesota Twins 4.8 x 10

Network Associates Coliseum Oakland Athletics 4.7 x 10

The Ballpark in Arlington Texas Rangers 4.9 x 10

Wrigley Stadium Chicago Cubs 3.9 x 10

Yankee Stadium New York Yankees 5.5 x 10

Scientific Notation Name ______

Comparing and Ordering

A) The number of visitors from various countries to the United States in a recent year are listed in the table. Order the countries according to the number of visitors from greatest to least.

International Visitors to the U.S.A.

Country Number of Visitors

Canada 1.46 x 10

France 1.1 x 10

Germany 1.8 x 10

Japan 5.1 x 10

Mexico 1.03 x 10

United Kingdom 4.7 x 10

First, order the numbers according to their exponents. Then order the numbers

with the same exponents by comparing the factors.

B) Name the Great Lake with the second greatest area.

Great Lakes

Lake Area (square miles)

Erie 9.91 x 10

Huron 2.3 x 10

Michigan 2.23 x 10

Ontario 7.32 x 10

Superior 3.17 x 10