Scientific Notation
One of the lightest animals, a hummingbird, can weigh as little as 3.5 x 10-3 pounds. Convert this weight to a value in standard notation.
0.0035
(a-5)2. Express answer without a negative exponent.
1 / a10
(8.23 x 109) + (9.1 x 109). Write your answer in scientific notation.
1.733 x 1010
Express your answer in scientific notation: (6 x 104)(9.1 x 106)
5.46 x 1011
Although the sun is an average distance of 9.3 x 107 miles away from the Earth, Melody puts on sunscreen to avoid getting burned on her beach vacation. Write this number in standard notation.
93,000,000
Macie converted 0.000456 to 4.56 x 104. Is she correct? Why or why not?
a-4 / a-7
a3
(7.66 x 104) - (5.4 x 104). Express your answer in scientific notation.
2.26 x 104
Express your answer in scientific notation. (9 x 109) / (3 x 10-2)
Find the cube root of 8/125.
2/5
Which is greater, 3.65 x 10-8 or 3.65 x 10-7?
3.65 x 10-7
(33)5 x 3-12. Express answer fully simplified.
27
The Atlantic Ocean covers about 4.1 x 107 square miles and the Pacific Ocean covers about 6.38 x 107 square miles. Find the total square miles covered by both oceans and express your answer in scientific notation.
1.048 x 108
A humpback whale can eat 4.4 x 103 plankton a day during feeding season. If feeding season lasts 120 days, find the total number of plankton a humpback would eat. Express your answer in scientific notation.
5.28 x 105
What is the square root of 144?
12 or -12
Shawn said that in standard notation, 7.142 x 107 will have 7 zeroes after the 2 because the exponent is 7. Is he correct? Why or why not?
No. The decimal moves 7 places, resulting in 4 zeroes.
86 / 88. Express answer fully simplified.
1/64
One blue whale weighed 4.2 x 105 pounds, while another weighed 2.6 x 105 pounds. Find the difference in weight and express your answer in scientific notation.
1.6 x 105
Express your answer in scientific notation. 0.000027 x (3.5 x 108).
9.45 x 1013
Megan has a cube with a volume of 64 cubic centimeters. What is the length of one side of the cube?
4 cm
Which is greater, 4.87 x 109 or 9.212 x 108?
4.87 x 109
10-3 x (100)5. Express answer fully simplified.
1/1000
Express your answer in scientific notation. (3.2 x 104) + (6.2 x 105)
6.52 x 105
(6.6 x 10-5) / (2 x 106)
3.3 x 10-11
Seth's bulletin board has an area of 144 square inches. If he wants to place border around the perimeter of the bulletin board, how many inches of material will he need?
48 inches