You ' ve gotten some very thorough replies , but here ' s a shorter one that might help . When we increase the exponent by 1 , that ' s multiplying by the base 3 in this case . So if we do the opposite of this and lower the exponent by 1 reversing what we did before we have to also reverse our multiplication . To reverse multiplying by 3 , we must divide by 3 . 31 3 Increase exponent by multiplying the previous answer by 332 33 9 33 93 27 Lower exponent by dividing the previous answer by 332 273 9 31 93 3 30 33 1 31 13 32 133 19 And so forth . <| sep |> runs terrible on almost all but top end pcslulwut <| sep |> Hm intressant , hur tycker du att det r ? Stressigt ? Utmanande ? Tips eller vadsomhelst helst vaore trevligt om det du hller p med .