化简0.0027的负2/3次方
问题描述:
化简0.0027的负2/3次方
答
0.0027^(-2/3)
=(3^3*10^(-4))^(-2/3)
=(3^3)^(-2/3)*[10^(-4)]^(-2/3)
=3^(-2)*10^(8/3)
=1/9*10^(2+2/3)
=1/9*100*10^(2/3)
=100/9*10^(2/3)