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