已Xⁿ=5,yⁿ=3,求(x²y³)ⁿ的值.
问题描述:
已Xⁿ=5,yⁿ=3,求(x²y³)ⁿ的值.
答
(x²y³)ⁿ
=(x²ⁿ)(y³ⁿ)
=(xⁿ)²×(yⁿ)³
=5²×3³
=675