Tuesday, 8/27 Physics Basics Part 1 Scientific Notation

Tuesday, 8/27 – Scientific Language  Find your seat and take out something to write with and paper (in your spiral or in your binder).

Scientific Notation  Scientific notation is how we write very large or very small numbers.  This allows us to easily read and record numbers.  Example: is the same as 4.5x Standard notation Scientific notation

How to read exponents  If the exponent is positive it indicates a large number  Positive exponents tell you how many zeros to add to the right of the number.  Example:1.2 x10 3 = 1,200  If the exponent is negative it indicates a small number  Negative exponents tell you how many times to move the decimal to the left.  Example: 6.1 x =

Writing Scientific Notation  When writing scientific notation, only one digit is on the left of the decimal.  Example: 3.45 x 10 5 not 34.5 x 10 4

Practice Write the following numbers in scientific notation: 1. 12,756 km (diameter of the earth) ,000,

Practice Write the following numbers in scientific notation: 1. 12,756 km = x ,000,000 = 7.02 x = 8.2 x = 8.7 x

Practice Write the following numbers in standard notation: x Speed of light 3 x 10 8

Practice Write the following numbers in standard notation: x = Speed of light 3 x 10 8 =

Order of Operation  Numbers that are next to each other are multiplied.  Example: 9x or (9)(9)  Numbers that are in fraction form are divisible.  Example: represent 3 divided by 5.  Pulling the concepts together ( ) 6 1.Which one or ones are in the multiplication position? 2.Which one or ones are in the division position? 3.Let’s solve it together

Practice Solve the following:

Practice Solve the following: = 2.4 =16.0