1. Pre-Algebra Exponents & Powers Mathardy Hosted by Miss Lavric

2. Exponents Estimation + Scientific Notation Scientific Notation Operations 111 222 333 444 555

3. Exponents-1- Simplify. 4 2 ÷ 4 4

4. Exponents-2- Simplify. 4 6  4 4

5. Exponents-3- Simplify. (3 2 ) 6 ÷ 3 8

6. Exponents-4- Simplify. (3 5 ) 7  3 13

7. Exponents-5- What value of n makes the statement true? (8 n ) 7 = 8 21

8. Estimation & Scientific Notation-1- Estimate the length of the US/Mexico border if it is approximately 10,301, 280 feet in length?

9. Estimation & Scientific Notation-2- The radius of the earth is about 6,370,000 meters long. What is that in scientific notation?

10. Estimation & Scientific Notation-3- A hydrogen atom is approximately 5.29 × 10 (-11) meters long. What is that in standard form?

11. Estimation & Scientific Notation-4- Compare (be sure to state which is bigger and by how much): A)2 x 10 4 B)6 x 10 6

12. Estimation & Scientific Notation-5- How much bigger is the mass of a neutron (2 x 10 -24 grams) compared to the mass of an electron (9 x 10 -28 grams)?

13. Scientific Notation Ops-1- (1.8 × 10 19 ) + (2.4 x 10 16 )

14. Scientific Notation Ops-2- (7.0 × 10 4 ) × (5.0 x 10 -3 )

15. Scientific Notation Ops-3- (4.2 × 10 7 ) ÷ (7.0 x 10 4 )

16. Scientific Notation Ops-4- (5.5 × 10 -6 ) + (2.5 x 10 -8 )

17. Scientific Notation Ops-5- 0.00028 ÷ (7.0 x 10 -2 )

18. FINAL MATHARDY Category: Disney Math

19. FINAL MATHARDY What is the cost of the blank space? Number of Days Daily PriceTotal Cost Park Hopper Daily Price Park Hopper Total Cost Park Hopper + Water Park Daily Cost 2$96.00$192.00$160.00$320.00$186.00 3$91.67$275.01$155.67$467.01

20. FINAL MATHARDY 186 – 96 = 90 91.67 + 90 = $181.67 Number of Days Daily PriceTotal Cost Park Hopper Daily Price Park Hopper Total Cost Park Hopper + Water Park Daily Cost 2$96.00$192.00$160.00$320.00$186.00 3$91.67$275.01$155.67$467.01