[填空题]
Squaw Valley ski area in California claims that its lifts can move 47,000 t7pw(8 comjbz+ kaz,. pe)tf5h zcm;k,jei rdg j597yx0 ople per hir j5tgy x,)5z0 edj; hkc79fmour. If the average lift carries people about 200 m (vertically) higher, estimate the power needed.$a\times10^b$ W a = b =
