9 Ch3 Lesson 7 ComputeSciNotADVANCED.notebook

1

October 16, 2017

Adding and Subtracting in Scientific Notation

(6.89 x 104) + (9.24 X 105)Line up the place values.Write 9 x 105 with 4 as the exponent.

3.) Example: Addition

9 Ch3 Lesson 7 ComputeSciNotADVANCED.notebook

2

October 16, 2017

Adding and Subtracting in Scientific Notation

(7.83 x 108) ­ 11,610,0004.)

Example: Subtraction(put in sci. not.)

593,000 + (7.89 x 106)5.) (put in sci. not.)

Example: Addition

9 Ch3 Lesson 7 ComputeSciNotADVANCED.notebook

3

October 16, 2017

Now you try...d.) (8.41 x 103) + (9.41 x 104)

e.) (1.263 x 109) ­ (1.525 x 107)

f.) (6.3 x 105) + 2,700,000

9 Ch3 Lesson 7 ComputeSciNotADVANCED.notebook

4

October 16, 2017

When you move the decimal LEFT ­­> ADD to the exponent

When you move the decimal RIGHT ­­> SUBTRACT from the exponent

9 Ch3 Lesson 7 ComputeSciNotADVANCED.notebook

5

October 16, 2017