Which expression should jenna use in the process

To solve this problem you must divide the area of the floor by the area of the sticker, then you must apply the formula for calculate the area of a rectangle, which is:
 A=lw
 Where l is the length and w is the width.
 Therefore, you have:
 A=20x10/2x1
 A=200/2
 A=2x10^2/2x10^0
 The answer is: 2x10^2/2x10^0

11/36 is .305 repeating