423,000
4.23 x 105
2.9 x 104
29,000
2.38 x 104 + 6.75 x 103
3.055 x 104
5.7 x 102 x 1.4 x 101
7.98 x 103
The mass of the moon is about 7.3 x 1022kg. The mass of the Earth is about 5.9 x 1024kg. The mass of Pluto is 13,000,000,000,000,000,000,000kg. Find the combined mass of the moon, Earth and Pluto. Write your answer in scientific notation. DON'T forget the label!
5.986 x 1024kg
.00002358
2.358 x 10-5
1.2 x 103
1,200
1.2763 x 104 - 6.8 x103
5.963 x 103
3.6745 x 109/3.5984 x 107
1.0211 x 1016
Sheldon is trying to see how thick his pile of paper is. He has 50 pieces of paper that are each 4.5 x 10-4 inches thick. How thick is the whole stack? Write your answer in scientific notation. DON'T forget the label!
2.25 x 10-2in
82,649,000
8.2649 x 107
-2.3 x 107
-23,000,000
2.9 x 105 + 3.2x 107
3.2229 x 108
1.2 x 103 x 3.4 x 109
4.08 x 1012
An ant carries a spec of food to their home that is 2.34 x10-3 inches. Their friend carries a piece that is 4.56 x 10-2 inches. How big are their pieces of food combined? Write your answer in scientific notation. DON'T forget the label!
4.794 x 10-2in
.00000000000398
3.98 x 10-12
8.9 x 10-2
.089
1.2 x 102 - 2.3 x 103
-2.18 x 103
6.71 x 108/6 x101
1.1183 x 109
It has been estimated that there are 1 x 1027 bacteria in Iowa. A single bacterium weighs about 9.5 x 10-13 grams. What is the estimated total mass of these bacteria? Write your answer in scientific notation. DON'T forget the label!
9.5 x 1040grams
-7,289
-7.289 x 103
-7.4 x 108
-740,000,000
3.32 x 106 - 4 x 106
-6.8 x 105
2.003 x 107/1.04 x 105
2.7 x 1012
A rectangular section of wilderness will be set aside as a new wildlife refuge. Its dimensions are 5 x 105 meters by 4 x 104 meters. Find the area of the land in square meters. Write your answer in scientific notation. DON'T forget the label! (Hint: this unit will be squared x2)
2 x 1010m2