4的2010次方乘0.25的2011次方等于多少?
问题描述:
4的2010次方乘0.25的2011次方等于多少?
答
(4^2010)*(0.25^2011)
=(4^2010)*(0.25^2010)*0.25
=(4*0.25)^2010*0.25
=(1^2010)*0.25
=0.25