Complete the following table:

Numbers	Commutative for
	Addition	Subtraction	Multiplication	Division
Rational numbers	Yes			...
Integers		No
Whole numbers			Yes
Natural numbers				No

Mention the rational number that does not have reciprocal.

Mention the rational numbers that are equal to their reciprocals.

Mention the rational number that is equal to its negative.

Zero has ______ reciprocal.

The numbers ______ and ______ are their own reciprocals.

The reciprocal of –5 is ______.

The reciprocal of 1/x, where x # 0 is

The product of two rational numbers is always a ___________.

The reciprocal of a positive rational number is _________.

Complete the following table: