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Chapter 4: Problem 22

The __________ logical operator works best when testing a number to determine if it is within a range.

Short Answer

Expert verified
Answer: The AND logical operator is the most suitable for testing if a number is within a specified range. For example, to check if a number 'x' is between 5 and 20 (including 5 and 20), we can use the expression: x >= 5 && x <= 20.

Step by step solution

01

Identify the logical operator for testing a range

The AND logical operator is the best option for testing if a number is within a specified range. The AND operator is used to combine multiple conditions and is denoted by && (double ampersand) in most programming languages.
02

An example of using the AND operator

Let's say we want to check if a number 'x' is between 5 and 20 (including 5 and 20). We can use the AND operator (&&) to combine two conditions: - x >= 5 - x <= 20 The full expression will be: - x >= 5 && x <= 20 If both conditions are true, the entire expression will be true, meaning the number 'x' is within the specified range. If either of the conditions is false, the entire expression will be false, indicating that the number is not within the range.

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