What unit of length is nm? The wavelength of ultraviolet light is hundreds of nm. How long is nm?
Nanometer, one nanometer, one billionth of a meter
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- 1. How many nm is one um equal to
- 2. 60um=_ nm,50km=_ um
- 3. 0、25=()um()nm
- 4. Conversion of physical units in grade 2 of junior high school 1.5x105nm = () cm = () M = () km 4.76x105km = () DM = () μ M = () NM
- 5. Complete the following unit conversion [1] 1.72m = [] cm = [] nm 【2】6ml【】=cm³【】=m³ 【3】13.6×10³kg/m³=【】g/cm³ The density of alcohol is 0.8 × 103kg / m3, which means that the mass of 1m3 alcohol is 0.8 × 103kg When part of a bottle of alcohol is used up, the mass, volume and density of the remaining alcohol are determined Our classroom is 9 m long, 6 m wide and 4 m high. The air mass in the classroom is 〔 kg 〕, which is higher than your mass 〔 big 〕 and 〔 small 〕. A and B are two equal height cylinders with equal mass. If the bottom area of a is three times that of B, how many times the density of a is that of B We need 400 grams of alcohol. We don't need a balance. We only need a measuring cylinder. We should measure the volume of alcohol to be [] CM & # 179;
- 6. m. Cm km, CM unit conversion How do I compare the values of M and cm, Draw an equivalent relationship between KM and cm
- 7. 14m=____ cm=____ um=____ nm
- 8. Write scientific counting method after calculation 0.78km=()m The sixth power of 1.3 * 10 83dm=()um 30m=()mm Using scientific counting (in the form of several powers)
- 9. The third power of 4.5 * 10 = km = DM = NM
- 10. I think it's very difficult to convert the physical length unit into scientific counting method. What method can be simpler
- 11. How many meters are um and nm?
- 12. Unit conversion: how much MIC is 1 mm
- 13. How many um is 1 mm?
- 14. How much is 1 mm?
- 15. What are the three digits randomly combined with 0-9, and each digit can be repeated For example, 123.321.524.163 If the number of hundred can be zero, what are the specific numbers? Give a calculation method or software
- 16. There are three one digit numbers (0-9). They can be used to form three digit numbers. There are six ways to arrange them. Six three digit numbers can be formed There are three one digit numbers (0-9). They can be used to form three digit numbers. There are six permutation methods, which can form six three digit numbers. It is known that the sum of five three digit numbers is 3194. Find another three digit number
- 17. -24.24.1.3 how to arrange these numbers to be equal to 24
- 18. If the sum of four digits is equal to 4, from small to large, what number is 2011
- 19. Use four numbers 1.3.4.8 to form different four digit numbers and arrange them from small to large. What's the 17th number?
- 20. Input 9 numbers of 123456789 into three sides of triangle (4 numbers for each side). The sum of each side is 17 x x x x x x x x x The border is triangular