Question

MEDAL FOR BEST ANSWER
7) which of the following gives an example of a set that is closed under multiplication?choose all that apply.
1)the product of an even number and an even number
2)the product of an odd number and an odd number
3)the product of a negative number and a negative number
4)the product of a perfect cube and a perfect cube

8. which of the following is the multiplicative inverse of 12x/5?
a)5/12x
b)12x/5
c)- 5/12x
d)- 12x/5

9. which of the following is the additive of 2x
a)1/2X
b)- 1/2X
c)-2x
d)2X

Answer 1

8)a
9)c