Question

(3x^2y^6)^7

Answer 1

Use the rules:
\[(ab)^c=a^cb^c\]and \[(a^b)^c=a^{bc}\]If you look at your problem:
\[(3x^2y^6)^7 \]you'll see that you need both these rules!

Answer 2

First rule: \[(3x^2y^6)^7=3^7(x^2)^7(y^6)^7\]Could you do the next step now?