1. Which of the following is an irrational number? How do you know? Use key words and definitions to explain your answer choice. a. 1632
b. 0.25
c. 0.0300300030000…
d. 0

2. Is the following example true or false? If false, give a counterexample. “The sum of two rational numbers is always rational. The sum of two irrational numbers is always irrational.”

3. Which of the following expressions is equivalent to 6(94)+7+(3+2)
a. 2+(3+7)+4(69)
b. 9(64)+2+(73)
c. (6+7)(94)+3+2
What properties of real numbers does this example show