What is the purpose of this sequence of numbers and letters?
a) It is a code for a secret message.
b) It is a sequence of random numbers and lett...
What is the purpose of this sequence of numbers and letters?
a) It is a code for a secret message. b) It is a sequence of random numbers and letters. c) It is a sequence of identification numbers for different objects. d) It is a sequence of identification numbers for different people.
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