Answer:
A unique identifier for a wireless subscriber
Yes you do have to program it first.
Answer: it will be greater by $2.6 billion
Explanation:
Answer:
The statement is as follows:
cout <<fixed<< setprecision(3) <<sales;
Explanation:
Here, I assume that the variable has already been declared.
The syntax to use is:
cout<<fixed<<setprecision(n)<<variable-name;
In this case:
--- i.e. to 3 decimal places
And the variable name is: sales
So, when implemented, the instruction is:
cout <<fixed<< setprecision(3) <<sales;
Answer:
It gives the power of setting values and using them anywhere within the coding project without declaring them again.
Explanation:
What is a variable?
A variable is a name that a programmer gives to locations in a computer memory where values are stored and they need to be declared before usage.
Declaring a variable means that its data type must be defined and initial value set and creating your own variables gives the power of being able to set the variable once and use anywhere in the coding project without declaring it again.