How much is 30% of 300 dollars?

How to solve it and what thw answer is

What is the value of x in the figure below? if necessary, round your answer to the nearest tenth of a unit. 12 d 4 b оа. 3.1 ов. 6.9 ос. 4 od. 12

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm