Question

state true or false
-0 is the additive identity for rational numbers
-the additive inverse of a/b is b/a
-rational numbers are closed under subtraction
-addition of rational numbers is not associative
-1 is multiplicative identity for rational numbers

Answer 1

${\large{\boxed{\mathcal{\pink{Answer}}}}}$

i)true

ii)false

iii)false

iv)false

v)true