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6. [0/4 Points] DETAILS HUNTERDM3 4.1.007. MY NOTES License plates in India begin with a code that identies the state and district where the vehicle is registered, and this code is followed by a four-digit identication number. These identification numbers are given sequentially, starting with 0000, 0001, 0002, etc. Once this sequence reaches 9999, a letter from the set {A, ..., Z} is added (in order), and once these run out, additional letters are added, and so on. So the sequence of identication numbers proceeds as follows: 0000, 0001, ..., 9999, A0000, A0001, ..., A9999, 30000, B0001, ..., 89999, ..., 20000, 20001, ..., Z9999, AA0000, AA0001, (a) How many identification numbers are there using two or fewer letters? X (b) If a district registers 10 million cars, how many identication numbers must have three letters? (c) Suppose a district registers 650,000 cars. What percentage of identification numbers have exactly one letter? /o (d) Suppose a district registers 250,000 cars. What percentage of identification numbers have no letters? /o (e) Suppose you see a plate in Bangalore, India, with the identification number CR3862. How many vehicles were registered in this district before the vehicle with this plate? 7. [4/4 Points] DETAILS HUNTERDM3 5.1.012CD. MY NOTES Consider the following pseudocode function