Question

(07.03 MC)

Choose the correct simplification of the expression (3xy4)2(y2)3.

6x2y14
9x2y14
9x3y11
6x3y11

Answer 1

9x²y¹⁴

Explanation:

`\tt (3xy^4)^2(y^2)^3\\\\=3^2x^2y^(4\cdot2)\cdot y^(2\cdot3)\\\\=9x^2y^(8)\cdot y^(6)\\\\= 9x^2y^(8+6)\\\\= 9x^2y^(14)`