What is wrong with the expression “const dblPi As Double = 3.141593”?

The correct answer is: A. Double is written

The expression “const dblPi As Double = 3.141593” is wrong because the keyword “Double” is misspelled. The correct spelling is “double”.

The other options are incorrect because:

• The name “dblPi” is valid.
• The keyword “const”
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  does not start with a “C”.
• The value 3.141593 is within the range of a double-precision floating-point number.