True or False. 1. All real numbers are rational 2. All irrational numbers are real 3. Some rational numbers are irrational 4. Zero is rational 5. Combining positive and negative integers result in set integers 6. The set of even integers is closed under addition 7. The set of irrational numbers is closed under multiplication 8. Subtraction is commutative 9. Division is associative 10. Every number has a multiplicative inverse

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