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anonymous
 one year ago
are integers closed to addition subtraction, multiplication, and division
anonymous
 one year ago
are integers closed to addition subtraction, multiplication, and division

This Question is Closed

amilapsn
 one year ago
Best ResponseYou've already chosen the best response.0What do you mean by closed?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2being closed under these operations means that the result of these operations always returns another integer

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@welshfella yes exactly

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@welshfella can you help me?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2I'm not sure  i should know but I'm wondering if 0 is included in the integers I'll have to check If it is then 6/0 is indeterminate so its not closed under division

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It doesn't say if 0 is included so I'm assuming it's not

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2https://www.mathsisfun.com/definitions/integer.html check this out

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2looks like the answer is no

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0okay so are integers closed to +  x /

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2Oh  not just the 0 stops division being closed but for example 10/4 = 2.5 and 2.5 is not an integer so integers are definitely not closed under division

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2they are closed for +, and *

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0now I need to know the same for irrational numbers

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2they are not closed under multiplication for example sqrt2 * sqrt2 = 2 nor under subtraction for example sqrt3  sqrt3 = 0
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