Question

The sides of a square are 2^4/9 inches long. what is the area of the square?
A. 2^16/81 square inches
B. 4^16/81 square inches
C. 2^8/9 square inches
D. 4^8/9 square inches *****

Answer 1

The Area of the square is (side)^2

side is given to be 2^(4/9)
SO,
side^2  = [2^(4/9)]^2 = 2^(4/9 * 2) = 2^(8/9)
so the area of square is 2^(8/9) sq. inches.

Answer 2

the answer is letter D