Which of the following is NOT a valid numeral in base 4?

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Question: Which of the following is NOT a valid numeral in base 4?

Options:

Correct Answer: 24

Solution:

In base 4, the digits can only be 0, 1, 2, or 3. \'24\' is invalid.

Which of the following is NOT a valid numeral in base 4?

Which of the following is NOT a valid numeral in base 4?

Step 1: Understand what base 4 means. In base 4, we can only use the digits 0, 1, 2, and 3.
Step 2: Look at the options given in the question. We need to check each numeral to see if it only contains the digits 0, 1, 2, and 3.
Step 3: Identify any numeral that has digits outside of 0, 1, 2, or 3. For example, if a numeral has a '4' or '5', it is not valid in base 4.
Step 4: Conclude which numeral is NOT valid. In this case, '24' contains a '4', so it is not a valid numeral in base 4.

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