Question

III. Fill in the blanks:
16._
is not associative for rational numbers.
17. The reciprocal of -2 — is_
7
18. Whole numbers are natural numbers along with _
19. The
and _.
rational numbers are the reciprocals of themselves.
20. The number which do not have multiplicative inverse is _​

Answer 1

Answer:

substraction and division is not associative in case of rational numbers.

reciprocal of-2 is -1/2.

whole number are natural number along with 0.

1 and -1 are self reciprocal.

0 has no multiplicative inverse.