(1.2×10^-4)^2×(5x10^2)^2÷(3x10^-2)^2
问题描述:
(1.2×10^-4)^2×(5x10^2)^2÷(3x10^-2)^2
答
(1.2×10^-4)^2×(5×10^2)^2÷(3×10^-2)^2
=1.44×10^-8×25×10^4÷9×10^4
=1.44×25÷9
=4
数学辅导团为您解答,有错误请指正,