1. Pre-Algebra Pence 2014 Expressions Common Assessment Review

2. Write (w)(w)(w)(w)(w)(w) using exponents Answer: w 6

3. Evaluate 2m 2 m=3 2(3) 2 18

4. Which symbol makes this statement true? (-3) 4 ? -3 4 Answer: >

5. Evaluate 3 +2(5-2) 2 +8 Answer: 3 +2(3) 2 + 8 3 + 2(9) + 8 3 + 18 + 8 29

6. 9 4 * 9 4 9 8

7. Evaluate 1 4 _ () 3

8. Answer 4 5 4747 4242

9. Answer m 4 m5m5 m

10. Answer 5 -6 1 5656 Writeas an expression using a negative exponent

11. Evaluate b -3 if b=3

12. (K 5 ) 11 K 55

13. (2m 5 ) -4

14. (4a 3 b)(-7ab 5 ) -28a 4 b 6

15. Which expression is the same as 81m 8 d 6 A. (9m 6 d 4 ) 2 B. (9m 4 d 3 ) 2 C. (6m 5 d 3 ) 3

16. Express 1,450,000 in scientific notation 1.45 x 10 6

17. Express 6.17 x 10 5 in standard form 617,000

18. 7.5 x 10 -4 in standard form 0.00075

19. Chose a number that is greater than 2.7 x 10 4 A. 26,000 B. 1.4 x 10 5 C. 3.1 x 10 -6 D. 2.5 x 10 4

20. Express in scientific notation (8.8 x 10 2 )(2.25 x 10 -2 ) 1.98 x 10 1

21. Evaluate (1.25 x 10 4 ) - 9,400 Express the answer in scientific notation 3.1 x 10 3

22. Evaluate 5p 0 Answer 5

23. Answer -6d 5 e 6

24. Which of the following would be a reasonable weight of a pencil?

26. List the animals’ weights from least to greatest AnimalsWeight (pounds) African Elephant Blue Whale Fin Whale Right Whale White Rhinoceros

27. Which animal is about 10 times lighter than a right whale? AnimalsWeight (pounds) African Elephant Blue Whale Fin Whale Right Whale White Rhinoceros Answer: White rhino

28. About how many times heavier is the blue whale than the African elephant? AnimalsWeight (pounds) African Elephant Blue Whale Fin Whale Right Whale White Rhinoceros

29. Estimate the combined weight of the blue whale, fin whale, and right whale. Express your answer in standard notation. AnimalsWeight (pounds) African Elephant Blue Whale Fin Whale Right Whale White Rhinoceros