Question

-12 10
(open ended
15. Read the following statements and explain with an example.
(a) Every natural number is a rational number but every rational number is not a natural number.
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Answer 1

Answer:

Yes, every natural number is rational number but every rational number is not a natural number.

Because natural number are positive integers (from 1 to ♾) but rational number are zero, positive and negative integers (♾, -3, -2, -1, 0, 1, 2, 3, ♾)

Because natural number are positive integers (from 1 to ♾) but rational number are zero, positive and negative integers (♾, -3, -2, -1, 0, 1, 2, 3, ♾)So, every natural number can be rational number (because rational number have a positive integers too) but every rational number can't be a natural number (because natural number doesn't have 0 and negative integers)