(-0.25)的2010次方乘4的2009次方

问题描述:

(-0.25)的2010次方乘4的2009次方

(-0.25)的2010次方×4的2009次方
=(-0.25)的2009次方×(-0.25)×4的2009次方
=[(-0.25)的2009次方×4的2009次方]×(-0.25)
=[(-0.25×4)的2009次方]×(-0.25)
=[(-1)的2009次方]×(-0.25)
=(-1)×(-0.25)
=0.25

(-0.25)的2010次方乘4的2009次方
=-0.25×(-0.25)^2009×4^2009
=-0.25×(-0.25×4)^2009
=-0.25×(-1)^2009
=0.25

(-0.25)的2010次方乘4的2009次方
=(0.25×4)的2009次方×0.25
=1×0.25
=0.25