Arectangular field is 450 meters long and 400 meters wide. what is the area of the field in square kilometers? do not round your answer. be sure to include the correct unit in your answer.

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons