Consider the following definitions for sets of characters: Digits = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} Letters = {a, b, c, d, e, f,
kirill [66]
Answer:
There are 14 choices for the first character because there are 4 + 10 digits and special characters. There are 40 choices for each of the remaining characters. Putting the choices together by the product rule, the total number of strings of length j in which the first character is not a letter is 14·40^(j-1)
14·40^6 + 14·40^7 + 14·40^8 = 14(40^6 + 40^7 + 40^8)
IDK
C) -282, -8, -2, 55
Answer ^
The answer is 2/52 or if you want a rounded up answer it is 1/26
The answer is A because it is just all the normal factors plus the variable