Answer:
The sonar operator looks at the display a forms an internal representation of the strength of the evidence that a submarine is present. If this exceeds an internal, subjective threshold,the sonar operator tells the captain that a submarine is present.
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The ways to define a variable named balance, if only it can be accessed in a single function are:
First the variable name need to begin with a letter or an underscore character (_).
Note that the variable name is one that cannot begin with a digit.
Then make sure that the variable name can only have alpha-numeric characters and underscores ( a-z, A-Z , 0-9 , and _ )
Note also that Variable names are the ones that are said to be case-sensitive (age, Age and AGE are said to be different variables)
<h3>How do you define a variable name?</h3>
The Rules for naming a variable is that A variable name is one that need to have only have letters (that is uppercase and lowercase letters), digits and also an underscore. T
Note that the first letter of a variable can be letter or an underscore.
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