Q: What is an example of a natural number?

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There is some disagreement as to whether zero, a whole number, belongs to the set of natural numbers.

it depends on the number, for example the square root of nine is a natural number. it's 3. the square root of 3 is not a natural number. It is 1.73... and it goes on and on.

A banana. It is not even a number so it is a brilliant non-example.

How about 8 as one example

Square root of 2; square root of any natural number that is not a perfect square; the number pi; the number e.

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There is some disagreement as to whether zero, a whole number, belongs to the set of natural numbers.

it depends on the number, for example the square root of nine is a natural number. it's 3. the square root of 3 is not a natural number. It is 1.73... and it goes on and on.

A banana. It is not even a number so it is a brilliant non-example.

True

How about 8 as one example

You can give hundreds of examples, but a single counterexample shows that natural numbers are NOT closed under subtraction or division. For example, 1 - 2 is NOT a natural number, and 1 / 2 is NOT a natural number.

Square root of 2; square root of any natural number that is not a perfect square; the number pi; the number e.

Any negative integer, for example -3, is one of infinitely many such numbers.

Example Code#include#includeunsigned input_num (){unsigned num = 0;while (1){std::cout > num)break;std::cout

A natural number is any positive number that is not 0. Any natural number multiplied by 100 is 100 times the number, or the original number with two 0's added to the end. For example, 2 times 100 is 200. 100 times 100 is 10,000.

Yes. For example, 3 is the [principal] square root of 9.

Zero is not thought to be a natural number, since counting generally begins with one. If you have (for example) no apples, you are not going to count your apples. The use of zero in mathematics is a more sophisticated development, than the natural numbers.