Answer:
Following are the steps that Zara is taking to numbered the list is given below .
Explanation:
- Choose the names of the states to be numbered.
- Choose the Insert menu bar option. After that click from there on the Bullets and Numbering option.
- After that different lists will show representing the numbering in different ways.
- Select the numbering type option that you'd like to implement, and press ok button on it .
- Finally the names of the state of Pakistan is numbered .
Answer: a) 
(b) 
(c) 
(d) 
Explanation:
The formal description of the given sets are as follows :-
a) The set containing the numbers 5, 9, and 27.

(b) The set that contains all the natural numbers less than 2.

(c) The set containing the empty string.
We know that in formal description, the empty string is denoted with
.
Thus, the required set : 
(d) The set containing nothing at all.

Answer:
Receiver
Explanation:
bcz the private key is kept only by the receiver of the message.
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