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select from the drop-down menus to correctly identify whether the given operation i...
Mathematics, 24.10.2019 20:43 25cotahai
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select from the drop-down menus to correctly identify whether the given operation is closed or not closed with respect to each set of numbers.
a real numbers are (not closed, or closed) under addition.
b integers are (not closed, or closed) under division.
c irrational numbers are (not closed, or closed) under multiplication.
d rational numbers are (not closed, or closed) under subtraction.
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