Mathematics, 05.09.2020 03:01 myohmyohmy

Tell whether the set of whole numbers is closed under each operation. Write yes or no. If your answer is no, give an example.
13. multiplication: a b
14. division: a = b
15. exponentation: ab
16. squaring the sum: (a + b)2

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Tell whether the set of whole numbers is closed under each operation. Write yes or no. If your answ...