Dot product:

$\overline{)\stackrel{\mathbf{\rightharpoonup}}{\mathbf{A}}{\mathbf{\u2022}}\stackrel{\mathbf{\rightharpoonup}}{\mathbf{B}}{\mathbf{=}}{\mathbf{ABc}}{\mathbf{o}}{\mathbf{s}}{\mathbf{\theta}}}$

**Part A**

Part A

Evaluate the dot product of the vectors in (Figure 1). Express your answer using two significant figures.

Part B

Evaluate the dot product of the vectors in (Figure 2). Express your answer using two significant figures.

Part C

Evaluate the dot product of the vectors in (Figure 3). Express your answer using two significant figures.