Question

Choose the correct simplification of the expression (2x7y)2(y5)3.

4x7y10

4x9y10

4x14y16

4x14y17

Answer 1

@Luis_Rivera

Answer 2

It will expand to give:
\[\large 4x^{14}y^2 \cdot y^{15}\]

Answer 3

Now use :
\[\large \color{green}{x^a \cdot x^b = x^{a+b}}\]

Answer 4

You are only one step away from your answer..

Look carefully, and then use the above formula that I gave in green..