(-0.25)的2009次幂 ×4的2004次幂怎么算?
问题描述:
(-0.25)的2009次幂 ×4的2004次幂怎么算?
答
(-1/4)^2009*4^2004
=(-1/4)^2004*(-1/4)^5*4^2005
=(-1/4*4)^2004*(-1/4)^5
=(-1/4)^5