5. What is the minimum number of bits required to represent the following values pre-ciselye a. 1,786 b. 32 c. 689 d. 32,000 e. 17 f. 3 g. 29 6. Why are enhanced images usually not used as input for other analyses? 7. Density silicing produces an image that uses a fange of contrasting colors (see Ffgure 5.:2z), Prepare o list of advantages and disadvantages of this form of image enhancement. 9. The digital format is now becoming the de facto standard for recording and storing aerial imagery. Discusssome of the advantages and dilsadvantages that accompany this change. 30. Some students find it highly illogical to use band combinations in which, for example, radiation in the red region of the spectrum is displayed using another color. Explain in a few coneise sentences why such band combinations are useful