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Rational Numbers
Mention the rational numbers that are equal to their reciprocals.
The rational numbers 1 and (–1) are equal to their reciprocals respectively.
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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:
Numbers 
Commutative for 

Addition 
Subtraction 
Multiplication 
Division 

Rational numbers 
Yes 
... 

Integers 
No 

Whole numbers 
Yes 

Natural numbers 
No 
Complete the following table:
Numbers 
Associative for 

Addition 
Subtraction 
Multiplication 
Division 

Rational numbers 
No 

Integers 
Yes 

Whole numbers 
Yes 

Natural numbers 
No 
If a property holds for rational numbers, will it also hold for integers? For whole Numbers? Which will? Which will not?
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