16 8x4 5 July 8, 2019 16 32 64 128 16 8 x 4 5 Hrd100 sg 8x4 16 5 b40 8 16 4 x 5 3 4 16 x 5 8 fraction 16 4 x 5 7 8 1 4 x 16 5 8 8^x 16^-2x = 4^5 16 05 x 8 4 5 Hrd100 sg 8x4 16 5 27 8 16 4 x 5 16 ×2=8 16 5 x 4 16 x 5/8 16 x 40