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Numerade Educator

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Problem 3 Easy Difficulty

Find $ a \cdot b $.

$ a = \langle 1.5, 0.4 \rangle $ , $ b = \langle -4, 6 \rangle $

Answer

$-3.6$

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Video Transcript

All right. So to find the doc product here, we multiply component wise and add them. Okay, you get negative. Six. Um, poor us. Well, you know, two point for. I believe this will give us negative three point six.