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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. Real numbers are (closed, not clos…

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. Real numbers are (closed, not clos…
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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.

Real numbers are (closed, not closed) under multiplication.

Irrational numbers are (closed, not closed) under division.

Integers are (closed, not closed) under subtraction.

Positive rational numbers are (closed, not closed) under addition.

asked
User Juan Carlos Puerto
by
8.4k points

2 Answers

2 votes

Answer:

closed, not closed, closed



answered
User Aratz Manterola Lasa
by
8.3k points
5 votes

Answer:

closed, not closed, closed, closed

answered
User Pierlo Upitup
by
8.5k points
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