selenaa63 selenaa63 17-12-2020 Mathematics contestada -(7) to the power of 4 Which expression shows the power correctly written in expanded notation? -7 x -7 x -7 x -7 -7 x 7 x 7 x 7 -4 x -4 x -4 x -4 x -4 x -4 x -4 -4 x 4 x 4 x 4 x 4 x 4 x 4