• A.
  i = (int)l is a narrowing conversion.
• B.
  l = (long)i is a narrowing conversion.
• C.
  l = (long)i could cause an integer overflow.
• D.
  The correct way to copy i’s value into l is l = long.Parse(i).

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• A.
  Any value in the source type can fit into the destination type.
• B.
  The conversion will not result in loss of magnitude but may result is some loss of precision.
• C.
  An explicit cast is optional.
• D.
  All of the above.

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• A.
  The conversion will not result in loss of magnitude but may result is some loss of precision.
• B.
  The source and destination types must be compatible.
• C.
  An explicit cast is optional.
• D.
  A cast can convert a string into an int if the string holds numeric text.

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• A.
  Console.WriteLine(total.ToString());
• B.
  Console.WriteLine(total.ToCurrencyString());
• C.
  Console.WriteLine(total.ToString("c"));
• D.
  Console.WriteLine(Format("{0:C}", total);

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• A.
  String.Format("{0}, {1}, {2}", Veni, vidi, vici)
• B.
  String.Format("{1}, {2}, {3}", "Veni", "vidi", "vici")
• C.
  String.Format("{2}, {0}, {3}", "vidi", "Venti", "Veni", "vici")
• D.
  String.Format("{Veni, vidi, vici}")

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