Scale 1: 100000 map yes, the distance is 4cm, so what is it

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• 1. On a 1:100000 scale map, 1 cm represents the actual distance of () cm, that is () km
• 2. On the map of 1 / 100000 scale, the distance between A. B and A. B is 3.6cm, then the actual distance between A. B and A. B is () km
• 3. On a map with a scale of 1:100000, 2 cm represents the actual distance () km? Such as the title
• 4. (1) The actual distance is 100000 times of the distance on the map, and the scale of this map is (). (2) the scale is 1 / 6000000, It means that the actual distance is () times of the distance on the map. On this map, 1 cm means () km of the actual distance (3) The scale of a design drawing is 20:1, representing 20 times of () and (). On this drawing, the length of 18 cm represents () cm of the actual length
• 5. On a map with a scale of 1:300000, the distance between a and B is 7.5cm If it is changed to 1:2500000 on the map, what is the distance between a and B
• 6. On a map with a scale of 1:300000, the distance between a and B is 12 cm, and the actual distance between them is 12 cm______ If the scale of 1:500000 is used, the distance between a and B should be drawn______ Cm
• 7. On a map, the scale is 1:300000, the distance of A. B is 18 cm, and the actual distance of A. B is () km
• 8. On a map with a scale of 1:300000, the distance between the two places is 18 cm; on a map with a scale of 1:200000, how many cm should it be?
• 9. On a map with a scale of 1:300000, the distance between a and B is 5.5cm. If it is changed to a map with a scale of 1:500000, the distance between a and B is 5.5cm fast
• 10. On a map with a scale of 1:300000, the distance of 1cm on the map represents the actual distance of () km? How many times is the distance on the graph?
• 11. The distance between the two places measured on the 1:50 million map is 2.5 cm, and the actual distance between the two places can be expressed by scientific and technological method
• 12. On the map with a scale of 1:50000, the distance between a and B is measured to be 3.7 cm. How many kilometers is the actual distance between a and B
• 13. On a map with a scale of 1:50000, the distance between the two places is 16.5cm. How many kilometers is the actual distance between the two places?
• 14. On a map, a distance of 5cm is used to represent the actual distance of 1500km. On this map, the distance between a and B is 3.5cm, which is the actual distance How long is a 600 km highway on this map
• 15. On a 1:50000 map, if the distance between a and B is 3cm, what is the actual distance between a and B?
• 16. 128.93 million in scientific notation, roughly divided into (to the nearest million)
• 17. How to express 72 with scientific notation? I think it's the power of 7.2 × 10. Does the power of 1 need to be omitted
• 18. Express the calculation result with scientific notation: (- 2x * 10 ^ 4) * (3 * 10 ^ 6) * (- 5 * 10 ^ 5)
• 19. The result of (4 × 102) × (15 × 105) is () A. 60×107B. 6.0×106C. 6.0×108D. 6.0×1010
• 20. 50 billion in scientific notation