Assign the constant value of pi (i.e. 3.142) to a variable mentioning

1.	Assign the constant value of pi (i.e. 3.142) to a variable mentioning its appropriate data type.d) Identify the following as valid or invalid identifier names.State reasons.(i) _123 (ii) break (iii) T$ (iv) var.1
Answer» Answer: const FLOAT pi=3.142 "break" is not a valid identifier because it is already reserved in keywords so we cannot USE it as a identifier name "_123" is valid identifier because in general the identifier should not start with numbers but an identifier can contain numbers and '_' is the only SYMBOL that can be allowed to use in IDENTIFIERS name "T$" is not a valid identifier because we cannot use SPECIAL character except '_' in identifiers. "var.1" is not a valid identifier because we cannot use special character except '_' in identifiers. Explanation:

Assign the constant value of pi (i.e. 3.142) to a variable mentioning its appropriate data type.d) Identify the following as valid or invalid identifier names.State reasons.(i) _123 (ii) break (iii) T$ (iv) var.1

Answer»

Answer:

const FLOAT pi=3.142

"break" is not a valid identifier because it is already reserved in keywords so we cannot USE it as a identifier name

"_123" is valid identifier because in general the identifier should not start with numbers but an identifier can contain numbers and '_' is the only SYMBOL that can be allowed to use in IDENTIFIERS name

"T$" is not a valid identifier because we cannot use SPECIAL character except '_' in identifiers.

"var.1" is not a valid identifier because we cannot use special character except '_' in identifiers.

Explanation:

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