The following application was developed to allow a user to guess a number between 0 and 10. If a number between 0 and 10 is entered, the number is not accepted.How can this error be removed?

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BlackTom AI · Accepted Answer

The question describes a Scratch-like program where a user is prompted to guess a number between 0 and 10, but the current validation rejects valid inputs. We’ll evaluate each answer choice to see whether it fixes the issue, and explain why. Option a: change the condition of “number < 0 or number > 10” to “number < 0 and number > 10”. - This change makes the condition require the number to be both less than 0 AND greater than 10 at the same time. That’s impossible for any real number, so the loop would never end for any input. It does not allow valid numbers 0 through 10, and it would cause the program to behave incorrectly or get stuck. Option b: delete say block. - Removing the say block only affects whether a message is displayed. It does not fix the logic that validates the input range. Even with no message, the program would still reject numbers outside the range or fail to accept valid numbers depending on how the rest of the code is structured. This option ignores the core validation problem. Option c: change the condition of “number < 0 or number > 10” to "not (number < 0 or number > 10)". - This option negates the out-of-range condition. By using not (number < 0 or number > 10), the program will consider numbers between 0 and 10, inclusive, as valid. This directly addresses the error: it expands the accepted range to exactly those values and correctly rejects numbers outside that range. It aligns with the intended requirement that a valid guess lies within [0, 10]. Option d: use repeat block instead of repeat until block. - Replacing a loop type (repeat vs repeat until) changes the looping mechanism but not the logic that defines when a number is considered valid. If the condition still checks number < 0 or number > 10 inside a repeat until, the behavior might end up inconsistent or unchanged with respect to accepting or rejecting inputs. This option does not directly fix the range validation logic. In summary, the core issue is that the program’s condition misclassifies valid inputs as invalid or never ends, and the most direct fix is to invert the invalid range check so that numbers within 0 to 10 are accepted and others are rejected. The option that achieves this is the one that applies a negation to the out-of-range condition, thereby creating a correct inclusive range check.

The following application was developed to allow a user to guess a number between 0 and 10. If a number between 0 and 10 is entered, the number is not accepted.How can this error be removed?

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