What's 75 percent in scientific notation

The - 2 power of 7.5 * 10

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1. 1854.79 billion yuan = billion yuan = billion yuan in scientific notation
2. 2.175 billion is represented by scientific counting
3. 75, expressed as () emergency
4. 56900 billion yuan is expressed as () billion yuan by scientific notation?
5. 11910000 accurate to ten thousand, one million, ten million, but also using scientific notation
6. 11910000 accurate to ten thousand, one million, ten million, and with scientific notation
7. Accurate to ten thousand with 1191000 (expressed by scientific notation) 11910000 to 10000, expressed in scientific notation 11910000 to millions, in scientific notation 11910000 to tens of millions, expressed in scientific notation Analysis of the next ang!
8. 4.6 million scientific notation, accurate to 10000 digits
9. What is the exact number of 369725000 to one million
10. 1000.001 in scientific notation ()
11. The stack of books in a library is about 7000 meters, one millionth of which is expressed as meters by scientific counting
12. How many meters is one millionth? How to express it by scientific counting?
13. The distance between the earth and the sun is 149.6 million kilometers, and the average distance between the earth and the moon is 384400 kilometers. How many times is the distance between the sun and the earth
14. The average distance between the earth and the sun is 149.6 million kilometers______ It is necessary to keep one decimal place with "rounding method"______ 100 million kilometers
15. The cell diameter of higher animals and plants is 20 to 30 μ m, 1 μ M = 10 ^ - 6 m, which is equivalent to () to () m in scientific notation
16. The diameter of a certain kind of pollen is about 40 microns. How many pollen grains can be connected up to 1 meter?
17. The diameter of one kind of pollen is about 35 microns, and the diameter of this kind of pollen is about 10 microns______ Rice
18. A kind of pollen has a diameter of 20 microns, which is equivalent to -- by scientific notation
19. The diameter of a plant cell is 0.00000275 m, which is expressed as______ Rice
20. The diameter of influenza virus is 0.00000008 m, which is expressed as______ m．