4. (7^2y^3z^4)^2

1 answer

To simplify the expression (7^2y^3z^4)^2, we will apply the power of a power rule for exponents:

(7^2y^3z^4)^2 = 7^(2 * 2) * y^(3 * 2) * z^(4 * 2)

Simplifying further:

7^4 * y^6 * z^8

Therefore, the simplified expression is 7^4y^6z^8.