The sales tax rate for the state of Washington was \( 7 \% \). What is the state sales tax on a \( \$ 3,400 \) car in Washington? What is the final cost of the car, including tax?

To determine the state sales tax and the final cost of a \$3,400 car in Washington with a **7%** sales tax rate, follow these steps: 1. **Calculate the Sales Tax:** \[ \text{Sales Tax} = \text{Tax Rate} \times \text{Price of the Car} \] \[ \text{Sales Tax} = 0.07 \times \$3,\!400 = \$238 \] 2. **Determine the Final Cost Including Tax:** \[ \text{Final Cost} = \text{Price of the Car} + \text{Sales Tax} \] \[ \text{Final Cost} = \$3,\!400 + \$238 = \$3,\!638 \] **Summary:** - **State Sales Tax:** \$238 - **Final Cost of the Car (including tax):** \$3,638