Question

iv. A number which is natural number, whole number, integer and rational number.​

Answer 1

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They are the numbers you usually count and they will continue on into infinity. Whole numbers are all natural numbers including 0 e.g. 0, 1, 2, 3, 4… Integers include all whole numbers and their negative counterpart e.g. … -4, -3, -2, -1, 0,1, 2, 3, 4,…
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Answer 2

Answer:

•Natural number = All counting number starting from 1 is known as Natural Number.

It is infinite 1,2,3,4,5,6,7,8,9.......................

• Whole number = All natural number together with zero (0) is known as Whole number.

It is infinite 0,1,2,3,4,5......................

• Integer = A group of whole number together with negative number is known as Integer.

*Positive integers = 3,5,7,8,etc.

*Negative integers = -3,-5,-7,-8,etc.

*Zero

• Rational number = rational numbers are numbers which can be expressed in the form p/q ,where p and q are integers and q =/= 0.