B 2 4b 5 July 8, 2019 16 32 64 128 B 2 4b 5 3c 12c B 2 4b 5 0 5 b 2 )= 4b 9 1 5 b 2 )= 4b 9 B 4 2 13 4b 5 0 B 3 5b 2 4b 20 4b b 3 2b 2 4b 5 5 b 2 )= 4b 9 1b Solve 5 b 2 )= 4b 9 1 B 5a 2 12a 4b =- 24