Which of the following gives an example of a set that is closed under multiplication? Choose all that apply.

A.The product of a perfect cube and a cube
B.The product of zero and zero
C.The product of a whole number and a whole number
D.The product of the perfect square and a perfect square

Question

Which of the following gives an example of a set that is closed under multiplication? Choose all that apply. 

A.The product of a perfect cube and a cube 
B.The product of zero and zero 
C.The product of a whole number and a whole number
D.The product of the perfect square and a perfect square

anonymous · Answer

I Give medals to any kind person who is willing to  help me (:

zzr0ck3r · Answer

what is 0*0?

zzr0ck3r · Answer

what is whole number*whole number?

anonymous · Answer

idk thats what it says on the quiz im taking

zzr0ck3r · Answer

lol im asking what you get when you multiply 0 by 0

anonymous · Answer

It equals Zero

zzr0ck3r · Answer

the first one does not make sense
the second one is closed 0*0=0 which is in {0}
the third one is closed because whole number*whole number = whole number is in {whole numbers}
the third one does not make sense

zzr0ck3r · Answer

the last line should say the 4th one does not make sense

anonymous · Answer

Okay thanks

zzr0ck3r · Answer

what class is this for?

anonymous · Answer

this is for math tech 1 its a corse recovery class i have to take for the summer.

zzr0ck3r · Answer

are you looking at sets or groups?

zzr0ck3r · Answer

does product mean multiplication on the reals or does it just mean a product in general?

anonymous · Answer

Most likely product in general as the answer but i am not sure.