2 5 x 10 25 July 8, 2019 16 32 64 128 2 5 10x 25 )=- 10 4 x 3 X 6 x 5 10 x 2 25 4 3 2 5 x 10 )= 1 25x 5 5 x 7 2 10 25 5x 2 25x 5 x 10 3 5 x 2 25x 10 5 0 2 x 2 5 2 5 x 10 2 5 × 10 2 5×105