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How can you tell at a glance that a binary numeral stands for an even number?

Class 8Number Bases and Old Numeral SystemsNumber System
  • AIt has more 1s than 0s
  • BIt has an even number of digits
  • CIts last digit is 0
  • DIts first digit is 1

Step-by-Step Solution

All places except the ones place (2, 4, 8, …) are even. So the number is even exactly when the ones digit is 0.
Answer: C) Its last digit is 0

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