SOLUTION: tell whether each given set is closed under the operation shown. a)(whole numbers),x b)(even numbers), + c)(5,10,15), /(divided by) d)(0,1), x e)(0,2,4,6,8), /(divided by) 2

Algebra ->  Square-cubic-other-roots -> SOLUTION: tell whether each given set is closed under the operation shown. a)(whole numbers),x b)(even numbers), + c)(5,10,15), /(divided by) d)(0,1), x e)(0,2,4,6,8), /(divided by) 2       Log On


   

Question 763126: tell whether each given set is closed under the operation shown.
a)(whole numbers),x
b)(even numbers), +
c)(5,10,15), /(divided by)
d)(0,1), x
e)(0,2,4,6,8), /(divided by) 2
f)(counting numbers), +
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
a)(whole numbers),x YES
b)(even numbers), + YES
c)(5,10,15), /(divided by) NO: 10/10=1
d)(0,1), x YES
e)(0,2,4,6,8), /(divided by) 2 NO 2/2=1
f)(counting numbers), + YES