5. (5%) This problem contains five yes-no questions. Each question counts as 1 point. You do not need to explain your answers.
No partial credits will be given for question 6 ~ question 10. You either answer all the sub-questions correctly and get full credits or get 0 credits for the whole question.
申論題內容
(a)n2n+5.32n=θ(n2n).