Question

True or false
(1)rational numbers are associative for a division
(2) integers are associative for multiplication
(3) whole numbers are associative for addition
(4) natural numbers are associative for subtraction​

Answer 1

Answer:

Rational numbers are not associative under division. Example: 0 is the additive identity of whole numbers, integers, and rational numbers. 1 is the multiplicative identity of whole numbers, integers, and rational numbers.