1. Evaluate uz + xy2 for u = 10, x = 3, y = 7, and z = 5
2. What is the value of xyz if x = −2, y = −6, and z = 4
3. Order the following numbers from least to greatest. 4710 4.1 − 5 √16
4. What is the simplified for of the following expression?
√ 181 14. Which statement about the product is true?
2.1 + 5.3
5. The product is irrational b. The product is neither rational nor irrational c. The nature of the product cannot be determined d. The product is rational 15. Which of the following results in a sum or product that is rational? Choose all that apply (3)
 π × 2  √7 + √3  1 + 3  1.24 × 2.7  √16 + √49
6. Which property is illustrates by the following statement?
7x(2) = (2)7x
7. Which property is illustrates by the following statement?
7x(2) = (2)7x