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If the speed of light is 3 x 10^8 meters/second, how many seconds does it take light to reach the Earth, if the sun is 1.5 x 10^11 meters from Earth?
4.518 x 10^0 grams
6.5 x 10^-5
6.27 x 10^10
4.8 x 10^-2 lbs
2.24 x 10^9
1.28 x 10^4 volume
5 x 10^2 seconds
4.08 x 10^12 particles
The bedroom of our house is 1,200 cubic meters. We know that there are 3.4 x 10^9 particles of dust per cubic meter. Write how many particles of dust are present in the bedroom of our house.
4.518 x 10^0 grams
6.5 x 10^-5
6.27 x 10^10
4.8 x 10^-2 lbs
2.24 x 10^9
1.28 x 10^4 volume
5 x 10^2 seconds
4.08 x 10^12 particles
Through research, scientists found that the body of a 200 lb person consists of 3.2 x 10^-5 lbs of zinc. In the bodies of 1,500 such people, how much zinc is present?
4.518 x 10^0 grams
6.5 x 10^-5
6.27 x 10^10
4.8 x 10^-2 lbs
2.24 x 10^9
1.28 x 10^4 volume
5 x 10^2 seconds
4.08 x 10^12 particles
If a satellite travels 62.7 x 10^9 miles from Earth, write this in correct scientific notation
4.518 x 10^0 grams
6.5 x 10^-5
6.27 x 10^10
4.8 x 10^-2 lbs
2.24 x 10^9
1.28 x 10^4 volume
5 x 10^2 seconds
4.08 x 10^12 particles
0.000065 is the wave length of yellow light. Can you express the measurement using scientific notation?
4.518 x 10^0 grams
6.5 x 10^-5
6.27 x 10^10
4.8 x 10^-2 lbs
2.24 x 10^9
1.28 x 10^4 volume
5 x 10^2 seconds
4.08 x 10^12 particles
In Australia, the people use approximately 2,240,000,000 pounds of bread in a year. How can we write this number in scientific notation?
4.518 x 10^0 grams
6.5 x 10^-5
6.27 x 10^10
4.8 x 10^-2 lbs
2.24 x 10^9
1.28 x 10^4 volume
5 x 10^2 seconds
4.08 x 10^12 particles
Find out the weight of 6 billion dust particles, if a dust particle has a mass of 7.53 x 10^-10 g.
4.518 x 10^0 grams
6.5 x 10^-5
6.27 x 10^10
4.8 x 10^-2 lbs
2.24 x 10^9
1.28 x 10^4 volume
5 x 10^2 seconds
4.08 x 10^12 particles
If we suppose that the volume of Lake Rason is approximately 2.56 x 10^5 km^3 and Lake Rason is 20 times the volume of Lake Rushy, write the volume of Lake Rushy (approximately).
4.518 x 10^0 grams
6.5 x 10^-5
6.27 x 10^10
4.8 x 10^-2 lbs
2.24 x 10^9
1.28 x 10^4 volume
5 x 10^2 seconds
4.08 x 10^12 particles
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