(1)75μm= = m (2)15cm= = km (3)240dm= = km (4)0.36mm= = nm

The first one is 75 * 10 ^ - 6, the second one is 1.5 * 10 ^ - 4, the third one is 0.024, and the fourth one is 0.36 * 10 ^ - 6,

RELATED INFORMATIONS

1. 1、10³km=______ mm=_____ Micron 2, 180dm=_____ m=_______ nm 3、2,7x10³nm_____ km=____ dm 4、485m=______ mm=______ km
2. In the international system of units, the unit of length is___ , the symbol is__ What is the time unit___ The symbol is___ 50 nm___ m
3. In the international system of units (SI), the basic unit of length is:______ The symbol is:______ In addition, some other units are specified: kilometer (km), decimeter (DM), centimeter (CM), millimeter (mm), micron (μ m), nanometer (nm), etc
4. 0025m=()dm=()cm=()mm
5. Physical conversion: 1.5.2m = --- m 2.9.8m = DM = --- cm 3.207mm = --- M = --- DM 4.3.8km = --- M
6. The quadratic function f (x) satisfies f (2 + x) = f (2-x), f (2) = 1, f (0) = 3. If f (x) has a minimum value of 1 and a maximum value of 3 on [0, M], then the value range of M is
7. Let f (x) be any function defined on (- A, a). It is proved that G (x) = f (x) + F (- x) is an even function, H (x) = f (x) - f (- x) is an odd function, and X belongs to (- A, a) Please; ah
8. How to measure quadrilateral area in Geometer's Sketchpad? How to select the interior of quadrilateral?
9. As shown in the figure, in square ABCD, e is the point on DC, connect be, make CF ⊥ be at P, intersect ad at F, if AP = ab
10. The maximum value of quadratic function y = - x ^ 2-4x + 3 and the equation of symmetry axis are
11. 76x10, KM = M = DM = um = nm
12. 0.05m=( )cm,5mm=( )m,0.7μm=（）nm,100cm=( )μm,30nm=( )km,2km=( )mm The answers should be expressed by scientific counting
13. How much is 0.05 μ m? How much is nm?
14. At present, the chip line width of the most advanced microelectronic devices in the world has been reduced to 0.13um. In a few years, it may be reduced to 0.05um, 0.05um=___ nm=___ m=__ km
15. 0.05um equals () nm equals () m equals () km
16. The diameter of a hair is only about 7 × 10 negative quadratic mm, how many nm
17. The diameter of human hair is about 7 * 10 ^ - 5 meters. How many nanometers is the diameter of human hair
18. When can man fly out of the solar system? When can man fly out of the galaxy? Is the world beyond the earth wonderful
19. It is known that the speed of light is 300000 kg / s. after one year, light has walked____________ Km. Light is known to be emitted from one side of the galaxy, It is known that the speed of light is 300000 kg / s. after one year, light has walked____________ It is known that light is emitted from one side of the Milky way, and the time when light reaches the opposite side is 70000a, then the diameter of the Milky way is about___________ km.
20. The diameter of the Milky way is about (), and the distance between the sun and the center of the Milky way is about ()