- A-4
- B-3
- C-8
- D-5
Step-by-Step Solution
3 - 7 = -4, which is not a whole number. So whole numbers are NOT closed under subtraction (but integers are).
Answer: A) -4
Consider the statement: 'Whole numbers are closed under subtraction.'
Using the integers 3 and 7, decide whether this is true.
What is 3 - 7?
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