[填空题]
Tyler needs to decide theb5+u)4;6smm /r7pa 3p ,asoufoezb nv order in l6md m:8wb8e9hxf pl(which to schedule 11 exams for his school. Two of these exams are Chemistry ( 1 SL and 1 HL). Find the number of different ways Tyler can schedule the 11 exams given that thee6 ml8lfmbd :hx p8(9w two Chemistry subjects must not be consecutive.$\approx a \times 10^{b}$ a = b =