Question

负四的2017次方乘以-0.25的2018次方等于

Answer 1

负四的2017次方乘以-0.25的2018次方等于
-4^2017 x ( -0.25^2018)
=-4^2017 x [ ( -1/4)^2018]
=-4^2017 x ( -1/4^2018)
=-4^2017 x ( -4^-2018)
=-4^(2017-2018)
=-4^-1
=-1/4

Answer 2

(一4)^2017x(一0.25)^2018
=[(一4)x(一0.25)]^2017ⅹ(一0.25)
=1^2017ⅹ(一0.25)
=1x(一0.25)
=一0.25。