In line "750 INPUT NUM: PRINT 7.3*NUM*NUM+15" of a BASIC program, '7.3

1.	In line "750 INPUT NUM: PRINT 7.3NUMNUM+15" of a BASIC program, '7.3NUMNUM+15' is
A.	an exponent
B.	an expression
C.	a fixed identifier
D.	reserved identifier
Answer» C. a fixed identifier

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