Name ________________________________________ Date __________________ Class __________________
3.4 HW - Operating with Scientific Notation
Write your answer in scientific notation.
1. (7.98 × 10−2) × (5.0 × 10−5) ____________________________
2.
2.44 × 108
_________________
2.0 × 105
3.
7.2 × 1027
_______________
4.0 × 1023
4. Yellowstone National Park has an estimated 2.5 × 106 visitors each year. The Great
Smoky Mountains National Park is the most visited of all the National parks, and it
has approximately four times the amount of visitors annually that Yellowstone has.
How many visitors does The Great Smoky Mountains National Park have annually?
__________________
Holt McDougal Mathematics
Name ________________________________________ Date __________________ Class __________________
5. Rhode Island is the smallest state. It has an area of approximately 1.55 × 103
square miles. Alaska is the largest state. The area of Alaska is 4.28 × 102 times
greater than the area of Rhode Island.
What is the approximate area of Alaska in square miles?
_________________
6. Wrangell-St. Elias National Park in Alaska is the largest national park. It includes
approximately 1.32 × 107 acres. Thaddeus Kosciuszcko National Memorial in
Pennsylvania is the smallest national park. It is located on approximately 2.0 × 10–2
acres.
How many times greater is the area of Wrangell-St. Alias National Park than
Thaddeus Kosciuszcko National Memorial? _________________
7. In constructing the Mall of America in Minnesota, a total of 1.3 × 104 tons of steel
were used. The Eiffel Tower in Paris, France consists of 7 × 103 tons of steel.
About how many times the amount of steel it took to construct the tower did it take
to construct the mall? Round your answer to the nearest hundredth.
_________________
Holt McDougal Mathematics
Name ________________________________________ Date __________________ Class __________________
8. In 2008, the total trade between the United States and Japan was $2.04 × 1011. The
total trade between the U.S. and Australia was $3.28 × 1010.
How many times greater was the trade with Japan than the trade with Australia?
_________________
Holt McDougal Mathematics