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Question 49

What is the value of 3 - 7?

  1. 4
  2. -4Correct answer
  3. 10
  4. -10

Explanation

Taking seven from three means seven steps to the left, and three of them reach zero while four more carry on below it. A result of 4 takes the smaller magnitude from the larger whichever way round they are written, which ignores the order the subtraction fixes.

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Question 49: What is the value of 3 - 7? · Integers and Negative Numbers · Questena