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

Practice Questions

Q1
Which of the following is NOT a valid numeral in base 4?
  1. 10
  2. 12
  3. 20
  4. 24

Questions & Step-by-Step Solutions

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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