What is the maximum number of decimal places that can be represented by a single-precision floating-point number in the IEEE 754 standard?

Which of the following is not a sensible variable name for a variable that stores a person's email address?

Which of the following is an example of string concatenation?

What is the result of '5' * 4?

Which of the following is not a sensible variable name for a variable that stores a person's address?

How do you declare a variable in most programming languages?

Which of the following is not a valid variable name?

What is the result of adding 27 and 13?

What is the Boolean data type used for?

What is the result of concatenating the strings 'Hello' and 'World'?

What is a string?

What is string indexing?

How are floats used in CSS?

Which operator is used for string concatenation in most programming languages?

What is the purpose of placeholders in string formatting?