-4的2001次方×(-0.25)的2002次方=?
问题描述:
-4的2001次方×(-0.25)的2002次方=?
答
(-4)^2001×(-0.25)^2002
=(-4)^2001×(-1/4)^2002
=(-4)^2001×(-1/4)^2001x(-1/4)
=[-4x(-1/4))^2001x(-1/4)
=-(-1/4)
=1/4