Question

Which is invalid real constant 1-0.97e4 2-10.5E4.8 3-12e-2 4-10.E+5f​

Answer 1

Answer:

A real constant is an approximation of a real number. It can be positive, negative, or zero. It has a decimal point or an exponent. If no sign is present, the constant is assumed to be nonnegative.

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