The population of the world is about 7 X 10^9 people. Write this number in standard form.
7,000,000,000
200
Convert 6.024 X 10^-5 to standard form.
.00006024
200
Which number is larger: 3.1 X 10^2 or 3.01 X 10^2?
3.1 X 10^2
200
(3 X 10^-3)(2 X 10^8)
6 X 10^5
200
(6 X 10^7) / (2 X 10^ -4)
3 X 10^11
200
The distance from the Earth to the moon is about 2.4 X 10^5 miles. How far is this in standard form?
240,000 miles
300
Convert .00000927 to scientific notation.
9.27 X 10^6
300
What sign (<,>, or =) makes a true statement: 4021 ____ 4.021 X 10^3
=
300
(1.45 X 10^7)(5.3 X 10^2)
7.685 X 10^9
300
(5.8 X 10^4) / (5 X 10^-2)
1.16 X 10^6
300
The average diameter of a grain of sand is about 0.0024 inches. What is this number in scientific notation?
2.4 X 10^-3
400
Convert 4,202,100 to scientific notation.
4.2021 X 10^6
400
Order the numbers from least to greatest (make sure to use the original form of the number given for your final answer): 3.9 X 10^6, 3,800,000, 4.2 X 10^5
4.2 X 10^5, 3,800,000, 3.9 X 10^6
400
(3.4 X 10^3)(5 X 10^4)
1.7 X 10^8
400
(8.6 X 10^6) / (1.6 X 10^-3)
5.375 X 10^9
400
The Earth is about 93,000,000 miles from the sun. The speed of light is 1.86 X 10^5. How long does it take light to travel from the sun to the Earth? (Write your answer in scientific notation).
5 X 10^2 seconds
500
When converting a number to scientific notation, when would you give the number a positive exponent? When would you give the number a negative exponent?
Original number that is larger than 1 gets a positive exponent. Original number that is smaller than 1 gets a negative exponent.
500
Order the numbers from least to greatest (be sure to use the original form of the number given in your final answer): 7.8 X 10^-3, 7.9 X 10^-3, .00056
.00056, 7.8 X 10^-3, 7.9 X 10^-3
500
(6.7 X 10^-7)(3 X 10^3)
2.01 X 10^-3
500
(4.2 X 10^-2) / (6 X 10^-7)
7 X 10^4
500
The state of California covers about 1.6 X 10^5 square miles. The Pacific Ocean covers about 6.4 X 10^7 square miles. How many times larger is the Pacific Ocean than California? (Write your answer in standard form.)