Answer:
327692
Step-by-step explanation:

According to the Order of Operations [GEMS(A)\BOMDAS\PEMDAS etc.], in this case, you evaluate the exponent BEFORE multiplying. This is a <em>common</em><em> </em><em>mistake</em><em> </em>people make.
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To fund any volume,you multiply the cross sectional are by the depth of the shape
Answer:
b
Step-by-step explanation:
Length of the actual bathroom = 20 x 2 inches = 40 inches = 10/3 ft
Width of the actual bathroom = 20 x 3.5 inches = 70 inches = 35/6 ft
Area of the actual bathroom = length x width = 10/3 x 35/6 = 19 square ft.