1. 8 th Grade Math Unit 2 Review

2. Unit 2 Review 1) Identify the base and exponent of the following number: 3 5

3. Answer Unit 2 Review 1) Identify the base and exponent of the following number: 3 5 base exponent

4. Unit 2 Review 2) Rewrite each expression using either exponents or multiplication. Don’t solve. a)4 + 4 + 4 + 4 + 4 + 4 = b)4 ∙ 4 ∙ 4 ∙ 4 ∙ 4 ∙ 4 =

5. Answer Unit 2 Review 2) Rewrite each expression using either exponents or multiplication. Don’t solve. a)4 + 4 + 4 + 4 + 4 + 4 = 6(4) b)4 ∙ 4 ∙ 4 ∙ 4 ∙ 4 ∙ 4 = 4 6

6. Unit 2 Review 3) Rewrite each expression using either exponents or multiplication. Don’t solve. a)(-8)(-8)(-8) = b)12 + 12 + 12 + 12 =

7. Answer Unit 2 Review 3) Rewrite each expression using either exponents or multiplication. Don’t solve. a)(-8)(-8)(-8) = (-8) 3 b)12 + 12 + 12 + 12 = 4(12)

8. Unit 2 Review 4) Evaluate. a)2 3 = b)8 0 =

9. Answer Unit 2 Review 4) Evaluate. a)2 3 = 8 b)8 0 = 1

10. Unit 2 Review 5) Evaluate. a)(-2) 4 = b)-2 4 =

11. Unit 2 Review Answer 5) Evaluate. a)(-2) 4 = 16 b)-2 4 = -16

12. Unit 2 Review 6) a)Write 8.94 x 10 4 in standard notation. b)Write 0.000036 in scientific notation.

13. Unit 2 Review Answer 6) a)Write 8.94 x 10 4 in standard notation. 89,400 b)Write 0.000036 in scientific notation. 3.6 x 10 -5

14. Unit 2 Review 7) a)Write 7.65 x 10 -3 in standard notation. b)Write 9,180,000 in scientific notation.

15. Unit 2 Review Answer 7) a)Write 7.65 x 10 -3 in standard notation. 0.00765 b)Write 9,180,000 in scientific notation. 9.18 x 10 6