Which number rounds to 65.8 when rounded to the nearest tenth

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

Does anyone know how to do geometryme with this problem

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5