5 x 3 )- 10 4x 1 July 8, 2019 16 32 64 128 3 5 x 10 )= 18 4x 1 1 2 x 5 10 3 4x 10 x 3 100 4x 5 1 2 4x 10 5 x 3 6 4 5 x 10^-3 5 x 5 x 5 x 5 x 5 5 x 10-4 5 x 5 x 5
