Properties

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ORLANDO

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Tris Prior

luonut Sonia Guzmán

CISSP: Access Control Systems and Methodology

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Evaluative Summary

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Properties

identity property

addition

you can add zero to any number and it stays the same. ex. 0+5 = 5

Ones Property

Anything multiplied by one is equal to that number being multiplied. Ex. 1x2=2

zero property

anything multiplied by zero equals zero

Commutative Property

the rule for this is ( a + b = b + a ) or in cases such as multiplication is ( a x b = b x a )

Comes from the word "commute" or "move around"

Distributive property

The rule for this is A(B+C)= AxB+AxC

This property is to multiply a single term and two or more terms inside a set of parentheses

Associative property

The rule for this is A+(B+C)=(A+B)+C or for multiplication it is A(BxC)=(AxB)C

states that you can add or multiply regardless of how the numbers are grouped. By 'grouped' we mean 'how you use parenthesis'.