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Math test number 1

Real number system, Properties, and Closure,

QuestionAnswer
True or false: All numbers are whole numbers False: only zero and up are whole numbers
True or false: All numbers are real True
True or false: the Commutative property is when you add three numbers-two are in the parenthesis-and then switch the parenthesis buy moving forward/back one number False: Commutative is when you have two numbers in parenthesis and then you switch the places of the numbers
True or false: a (b x c) = ab+ac is distributive property True
True or false: {0,1,2,3...} is a set for addition true
A number set for division could be... {...-4,-3,-2,-1,0,1,2,3,4... }
A multiplication set could be... also, is multiplication open or closed set? {1,2,3,4,5...}; closed set
Created by: alicap
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