[填空题]
Tyler needs to decidkg07 gcezmm8 e0ra.3 he they ww .hz .v**ylgzu;z2 order in 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 sche hywwyzl;v..zu**z2g dule the 11 exams given that the two Chemistry subjects must not be consecutive.$\approx a \times 10^{b}$ a = b =
