8 4 9 8 2 July 8, 2019 16 32 64 128 8 9 4 8 2 7 8 4 5 9 8 2 4 9 8 27 4 9 8 21 8 4 (( 9 2 3 (- 4 )* 9 8 *(- 24 8 4 5 9 8 2 what is the mean
