When george purchased a new car, he paid a 4% sales tax. the amount of sales tax he paid was $840. what was the total cost of the car including the sales tax?

21,000

Step-by-step explanation:

When you multiply 21,000 by .04 you get 840

21,000 x .04 = 840

21,840

Step-by-step explanation

I just took the test and put 21,000 that was wrong.

answer is 270 degrees: -

to convert radians to degrees you multiply by 180/π

9π/ 6 * 180 / π

=   9 * 180 / 6

= 9 * 30

=   270 degrees   answer