C. Apply the second and third laws of exponents to solve the following.
1. 3x^2(–5xy^2)
2. –7ab(12a^2b)
3. 2(2jkl)^3
4. –3z(2z^2c^3)^2
5. (–3u^2vw^3)^2(4uv^2w^2)^3