Consider the following rules in Fortran 1. A signed or unsigned real variable name or a real constant is a real expression.2. Two real expressions connected by an arithmetic operator is a real expression.3. A real variable or constant exponential by an integer constant or integer variable is not valid. Which of the above are correct?

Consider the following rules in Fortran 1. A signed or unsigned real v

1.	Consider the following rules in Fortran 1. A signed or unsigned real variable name or a real constant is a real expression.2. Two real expressions connected by an arithmetic operator is a real expression.3. A real variable or constant exponential by an integer constant or integer variable is not valid. Which of the above are correct?
A.	All
B.	1 and 2 only
C.	1 and 3 only
D.	2 and 3 only
Answer» C. 1 and 3 only

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