# What is the dot product of <1,5,-3 > and <-8,3,-5 >?

$< 1 , 5 , - 3 > . < - 8 , + 3 , - 5 > = 22$
$< 1 , 5 , - 3 > . < - 8 , + 3 , - 5 > = - 8 + 15 + 15$
$< 1 , 5 , - 3 > . < - 8 , + 3 , - 5 > = 22$