Which of the following is a false statement? a. there is a fraction betweenand b. each rational number has a unique multiplicative inverse. c. the set of whole numbers is dense. d. the set of rational numbers is closed under multiplication. 101100 2. which of the following is a true statement? a. division of rational numbers is commutative. b. the sum of two proper fractions is always a proper fraction. c. if andare negative rational numbers, thenis negativc. d. if -andare negative rational numbers, thenis negative. if n is the set of natural numbers, i is the set of integers, and q is the set of rational numbers, which a c a c a c 3. of the following is false? a. nuq-nui d. nsq