The sales tax rate for the state of Washington was 7.4%.

What is the state sales tax on a $2,300 car in Washington?

To find the state sales tax on a $2,300 car in Washington, we have to multiply the price of the car by the sales tax rate.

Sales tax = $2,300 * 7.4%
Sales tax = $2,300 * 0.074
Sales tax = $170.20

Therefore, the state sales tax on a $2,300 car in Washington is $170.20.