(a)A bit string is a finite sequence of 0’s and 1’s. how many bit strings have length 8?
(b)How many bit strings of length 8 begin with three 0’s?
(c)How many bit strings of length 8 begin and end with a1?
The number of bit strings that have length .
In a bit string that has length , each bit position has filled with either .
Each position can be filled in two ways.
The total number of ways to accomplish the entire operation is the number of different bit strings of length
The number of bit strings of length begin with three .
The number of bit strings of length begin and end with .
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