CC12:
PLEASE HELP ASAP 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 addition Integers are ( closed, not closed) under division. Irrational numbers are (closed, not closed) under multiplication. Rational numbers are ( closed, not closed) under subtraction.
CC12:
@Allison can you please hep me?
Allison:
Do you just choose if it's closed or not?
CC12:
Yes
Allison:
Real numbers are closed under addition
CC12:
Thank you so much
CC12:
So there all closed ??
Allison:
No no let me finish lol sorry went to do something.
CC12:
its ok
Allison:
Integers are not closed under division.
CC12:
so its not closed ??
Allison:
I'm not sure.
Allison:
@Vocaloid
CC12:
Ok thank you and the last one (CLOSED)
Allison:
Yes last one is closed :]
CC12:
Thank you so much
Allison:
Of course!
CC12:
can u help me with one more
Allison:
Okay I can try
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