Embed Size (px)
Citation preview
4.9 scientific notation
HW pg. 219 #133 mult. of 3 1
November 08, 2011
Objective: write and evaluate scientific notation
Simplify1. 23 25
2. 107 109
3. m5 m3
4. 36 33
5. x8y2 x6y2
BELLWORK
4.9 scientific notation
HW pg. 219 #133 mult. of 3 2
November 08, 2011
Scientific Notation: is used to write very large or very small numbers
Has two factorsThe first factor is a number greater than or equal to 1 and less than 10. The second factor is a power of 10.
4 ∙ 103 9.9 ∙ 108 6.001 ∙ 1020
Scientific Notation lets you know the size of a # without having to count digits.
4.9 scientific notation
HW pg. 219 #133 mult. of 3 3
November 08, 2011
Ex 2: Write each number in standard form.a. 6.47 ∙ 108 b. 3.1416 ∙ 104
Ex 1: Write in scientific notation.a. 50,000 b. 0.016
4.9 scientific notation
HW pg. 219 #133 mult. of 3 4
November 08, 2011
Write in scientific notation.
54,500,000 0.00021
Write in standard notation.
8.9 x 105 2.71 x 106
4.9 scientific notation
HW pg. 219 #133 mult. of 3 5
November 08, 2011
Write each number in scientific notation.
0.37 x 1010 453.108
16 x 105 .203 x 106
4.9 scientific notation
HW pg. 219 #133 mult. of 3 6
November 08, 2011
Order 0.064 x 108 , 312 x 102, and 0.58 x 107 from least to greatest.
4.9 scientific notation
HW pg. 219 #133 mult. of 3 7
November 08, 2011
Multiply 3 x 107 and 9 x 103. Write your answer in scientific notation.
(4 x 104)(6 x 106) (7.1 x 108)(8 x 104)
4.9 scientific notation
HW pg. 219 #133 mult. of 3 8
November 08, 2011
Scientific NotationScientific Notation and Significant Figures
Scientific Notationexpressing a number in the form m x 10n 1 ≤ m < 10
Express in Scientific Notation7920000 0.000041 52000 x 102
4.9 scientific notation
HW pg. 219 #133 mult. of 3 9
November 08, 2011
Write in Decimal Form2.7 x 103 6.18 x 107
4.9 scientific notation
HW pg. 219 #133 mult. of 3 10
November 08, 2011
HW pg. 219 # 1 33 odds
