Ononot — If \|\mathbf{u}\| = 3 and \|\mathbf{v}\| = 4 and the angle b

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If $\|\mathbf{u}\| = 3$ and $\|\mathbf{v}\| = 4$ and the angle between them is $60°$ , what is $\mathbf{u} \cdot \mathbf{v}$ ?