计算:(1)(-2)×(-2)2×(-2)3=_____________; (2)(-x)9·x5·(-x)5·(-x)3=___________;(3)an+4·a2n-1·a____________;
若m·23=26,则m=_________.
计算:(1)10m×10 000=_________; (2)3n-4×(-3)3×35-n=__________.
已知am=3,an=4,化简下列各式:(1)am+1=______; (2)a3+n=_______; (3)am+n+2=_______.
若32×2n=29,则n=____.若8×23×32×(-2)8=2x,则x=____
(1)若am=2,an=8,则am+n=________;(2)已知ax=3,ax+y=45,则ay=_________.