Multiple choice technology mainframe Given that var_1 = 'Abc123', what is the result of DATATYPE(var_1,N)? '123' 'Abc123' 1 0 Reveal answer Fill a bubble to check yourself D Correct answer Explanation In REXX, the DATATYPE function with the 'N' option checks if the string is a valid REXX number. Since 'Abc123' contains non-numeric alphabetic characters, it is not a valid number, returning 0.