2^0.5=2^(1/2)=√2
(-3)^2.4=(-3)^(2+0.4)=[(-3)^2]*[(-3)^0.4]=9*[(-3)^(2/5)]
=9*[9^(1/5)]
(-5)^(-3)=1/[(-5)^3]=-1/125
5^(-3)=1/(5^3)=1/125
2^0.5=2^(1/2)=√2
(-3)^2.4=(-3)^(2+0.4)=[(-3)^2]*[(-3)^0.4]=9*[(-3)^(2/5)]
=9*[9^(1/5)]
(-5)^(-3)=1/[(-5)^3]=-1/125
5^(-3)=1/(5^3)=1/125