A 2 3 8a July 8, 2019 16 32 64 128 A 3 2a 2 8a A 3 )( a 2 8a 5 A 3 6a 2 8a 3 a 1 2 8a A 3 8a 2 16a A 3 8a 2 84a 2 3/8 as a decimal A 3 8a 2 6a 48 A 3 a 2 8a 8 A 3 a 2 8a 12 2 8a 3 )=- 2 a 15 A 8a 9 2 2 3