Answer:
52
Step-by-step explanation:
If u=(a1i+b1j)=(a1,b1) and v=(a2i+b2j)=(a2,b2), then the dot (scalar) product is:
u.v=(a1,b1).(a2,b2)
a1b1+a2b2
u.v=(8,-7).(3,−4)
(8)(3)+(-7)(−4)
24+28=52
i) +3
2.) 15
3.)5/8
4.)+98
5.)27
6.)17
7.) 12/17
8.)12/17
9.)+5
10.) 3.2
Answer:nothin much
