2 4x10^5 July 8, 2019 16 32 64 128 2 4 x 10 5 4x10 2 5x10 3 6x10 2 )( 4x10 5 2 x 4x10 5 4x10 2 5x10 2 4x10 5 2 4 2 4×10^-5
