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Praxis Test
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Exponents
5
^{2 }
+ 6
^{3}
= 5*5 + 6*6*6
25 + 216 = 241
(3
^{2}
)
^{2 = 3*3 = 9 9*9 =81}
Order of operations
Please - Parentheses
Excuse - exponents
My- Multiplication
Dear - Division
Aunt - addition
Sally - subtraction
Mean, Median and Mode
Mean - adding all numbers & divide by the amount of numbers (average)
Median - arrange data in numerical order and find the middle number
Mode - find the data that occurs the most, if only 1 of each number then there is no mode
Author
trakes
ID
27574
Card Set
Praxis Test
Description
math tips
Updated
2010-07-21T20:35:53Z
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