Question

what is variable?state the rules to be followed while defining a variable name.​

Answer 1

Answer:

Rules for Naming Variables

The first character must be a letter or an underscore (_). You can't use a number as the first character. The rest of the variable name can include any letter, any number, or the underscore. You can't use any other characters, including spaces, symbols, and punctuation marks.

Answer 2

Explanation:

Variable is a quantity that's value can change.