Question

Choose the correct simplification of (9x3y2)2.

18x5y4

81x5y4

18x6y4

81x6y4

Answer 1

81x^6y^4

Answer 2

you will have to square each of these 9, x^3 and y^2....then you will have to apply the exponential rule
\[\left( a^{m} \right)^{n}=a^{mn}\]
this will give you the answer given by FriedRice

Answer 3

thank you!