Posted by **Bill** on Tuesday, September 7, 2010 at 1:33pm.

Are the following true or false?

1. The difference of two natural numbers is always a natural number.

2. The sum of two natural numbers is always a natural number.

3. The quotient of two natural numbers is always a natural number.

4. The difference of two natural numbers is always an integer.

5. The product of two natural numbers is always a natural number.

6. The ratio of two natural numbers is always positive

7. The quotient of two natural numbers is always a rational number

I think the answers are :

1. T

2. T

3. F

4. T

5. T

6. T

7. T

is this right?

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