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Mathematics 23 Online
OpenStudy (anonymous):

@LarsEighner

OpenStudy (anonymous):

Find a • b. a = 4i + 8j, b = -2i + 3j

OpenStudy (anonymous):

@ganeshie8 @ganeshie8

OpenStudy (anonymous):

@SolomonZelman

OpenStudy (anonymous):

my answer is 32, need it double checked please

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