Answer
2.2
Work Step by Step
$a · b$
$\lt-2, 3\gt · \lt0.7, 1.2\gt$
$= (-2 \times 0.7) + (3 \times 1.2)$
$= -1.4 + 3.6$
$= 2.2$
Multivariable Calculus, 7th Edition
by Stewart, James
Published by
Brooks Cole
ISBN 10:
0-53849-787-4
ISBN 13:
978-0-53849-787-9
Chapter 12 - Vectors and the Geometry of Space - 12.2 Exercises - Page 822: 2
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