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3 January, 17:09

4. If N is the set of natural numbers that are factors of 20, choose the selection below that correctly shows this set in roster form.

{2, 4, 5, 10}

{2, 4, 6, 8, 10, 12, 14, 16, 18, 20}

{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}

{1, 2, 4, 5, 10, 20}

5. Suppose U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} is the universal set, and P = {1, 4, 9}. What is?

{2, 3, 5, 6, 7, 8}

{2, 4, 6, 8}

{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

{2, 3, 5, 6, 7, 8, 10}

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Answers (2)
  1. 3 January, 17:16
    0
    Did you get the answer?
  2. 3 January, 17:30
    0
    For the first question (4.) the answer is {1, 2, 4, 5, 10, 20}

    Not exactly sure what is being asked in the second question (5.) because it just says "What is?" and there doesn't appear to be a? in either set where a number could be placed. If there is more to that question or if you could explain what it's asking I'd be happy to do more
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