A biologist found that the length of a virus is about 0.000044 mm. How many nanometers is the length of this virus
044 NM
One nanometer is minus six meters of ten
One millimeter is minus three meters of ten
RELATED INFORMATIONS
- 1. 0.07 nm is represented by scientific counting method
- 2. -What is 37050.123 in scientific notation
- 3. The approximate number 7 995 123 retains three significant numbers
- 4. What are the rules of 2.8,4,5.6,8,11,16,22
- 5. 2, 7, 22, 67______ 、______ .
- 6. 134670000 can be expressed as (3 significant digits reserved) by scientific notation
- 7. -0.0000896 retain two significant numbers and use scientific notation
- 8. Add three numbers after 2007 to make it divisible by 2, 3, 5 and 11. What is the minimum and maximum of this seven digit number?
- 9. Add three numbers after 2007 to form a seven digit number, so that it can be divided by 2, 3, 5 and 11 respectively. What is the minimum number of seven digits?
- 10. For a two digit number, the sum of the number on the tenth digit and the number on the single digit is 11. If the number on the tenth digit and the number on the single digit are exchanged, the new number will be 63 larger than the original number, and the original two digits will be obtained
- 11. Biologists found that the length of a virus is 0.0000403 mm, which is expressed by scientific counting method as_______ The significant number is________ . 0.008905: (1) 001 cm; (2) 0001 cm; (3) Accurate to 0.00001cm
- 12. 12.5 mg = ton expressed in scientific notation
- 13. 36 billion in scientific notation______ .
- 14. 34 tons, 25 tons______ Tons; 13 of 56 hours is______ Hours
- 15. 2 hours 6 minutes 12 seconds = () seconds
- 16. How many hours are 36 days? How many minutes? How many seconds?
- 17. Experience the application of scientific counting method and approximate number in practice, and talk about the function of scientific counting method and approximate number
- 18. 158.345 billion yuan. This data is expressed by scientific notation, which is about [accurate to one billion bits]
- 19. In scientific notation, the following numbers are 235 000 188 520 000 701 000 000 000 - 38 000 000 000
- 20. 116 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000?