Sarah’s hand length is 20\:cm. She measures the dimensions of her rectangular floor to be 18 by 22 hand lengths. Which of the following is the closest to the area of the floor?
Answer Choices
A. 160\:000\:cm^2
B. 80\:000\:cm^2
C. 200\:000\:cm^2
D. 16\:000\:cm^2
E. 20\:000\:cm^2