1. Bell Ringer Throw Back Thursday
Identify the slope and the y-intercept of each equation. 1. Y = -3x Y = ½x Y = 5x – 6 4. Y + 3x = 10

2. 5th Period
Bring laptop on Friday for laptop check!!

3. Homework Check

4. Section 9.5 Continued Computation with Scientific Notation
R drive > Key > Feb 2_6 > 2_5__9.5 Scientific Notation Cont File > Save As > P drive > Math > Feb 2_6 > 2_5__9.5 Scientific Notation Cont

5. Multiplying Numbers in Scientific Notation
Multiply the whole numbers!
Add the exponents!
Move the decimal so that the new number follows the scientific notation rules!

6. Dividing Numbers in Scientific Notation
Divide the whole numbers!
Subtract the exponents!
Move the decimal so that the new number follows the scientific notation rules!

7. Example 2 Multiplication with Scientific Notation

8. Example 3 Multiplication with Scientific Notation

9. Practice 1. 2.

10. Example 5 Division with Scientific Notation

11. Example 5 Division with Scientific Notation

12. Practice 3. 4.

13. Practice 5. 6.

14. Adding and Subtracting Numbers in Scientific Notation
Line up place value of the exponents!
Move your decimals in order to make the exponents match!
Exponents must MATCH in order to add or subtract the numbers.
Once you have added or subtracted, make sure your final answer follows the rules of scientific notation!

16. Adding and Subtracting Numbers in Scientific Notation

17. Practice 2A 2B

18. Practice 2C 2D

19. Homework #1-8 and #1-4

20. Homework #1-8 and #1-4