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OpenStudy (anonymous):
Find a ⋅ b a = <7, 4>, b = <3, 5>
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OpenStudy (anonymous):
7.3+4.5
OpenStudy (anonymous):
Do you mean 7(3) + 4(5)? @RaphaelFilgueiras
OpenStudy (anonymous):
what is the difference?
OpenStudy (anonymous):
I read (7.3)+(4.5)
OpenStudy (anonymous):
but those are the same
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OpenStudy (anonymous):
the ans is 21+20=41
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