4 3 5 3 x 9 2 July 8, 2019 16 32 64 128 3 4 9 5 x 3 2 1 4 3 5 3x * 9 2 4 3 5 3 x 9 to the power of 2 4 3 * 3 9 x 5 5 * 2 )) 4.5 Which expression is equivalent to 4 3 5 3 x 9 2 5 1 3 4 3 x 9 20 (3 3 − 4 9) 20 5 3-9*(-4 4)