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Section 2 - Exponents and Order of Operations

Page history last edited by PBworks 16 years, 3 months ago

 

 

 

 

 

 

Simplify- replace the expression with its simplest form

 

      1+2=3

 

 

            3←exponent

base→2                      =2*2*2=8

          ↑

       power

 

 

 

 

Order of Operations

 

 

 

P: Parenthesis ()

 

 

                                             x

E: Exponents   2

 

 

 

M: Multiply *

 

 

 

D: Divide ÷

 

 

 

A: Addition +

 

 

 

S: Subtraction -

 

 

2

ex.1 simplify-  30-(3*2)+2

 

                            30-6+4

                             24+4

                               28

 

 

Evaluate- find a number answer

 

4

ex.1 evaluate-  4a-2÷b for a=3, b=2

 

4

                                         4*3-2÷2

                                        4*3-16÷2

                                         12-16÷2

                                            12-8

                                              4

 

 

                                        3

ex.2 evaluate- (cd)  for c=8, d=4

 

                                                      3

                              (32)  = 32,768

 

                             2

Simplify- 5[(15-3)÷24]

 

                               2

                     2[(12) ÷24]

 

                      2(144÷24)

 

                        2(6) = 12

 

 

 

 

 

 

 

 

 

 

 

 

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