6 9 2 3 10 July 8, 2019 16 32 64 128 6 5x 3 2 9 10x 3 10 x 5 ( √ 9 6 ) ( 2 )( 3 10 6 3 2 9 10 divided by 5 8y 6 9 10y 3 2 2 3 6 7-tetramethoxy-9 10-dimethylanthracene 2 3 6 7 tetrahydroxy 9 10 anthraquinone 9 6 x 1013 3 2 x 1010
