1. [tex](2an)^{4} = 16a^{4} n^{4}[/tex]

2. [tex](3x^{2})^{4} = 81x^{8}[/tex]

3. [tex](-0.1ac^{2})^{4} = 0.01a^{4}c^{8}[/tex]

4. [tex](-\frac{2}{3} x^{2} y)^{4} =\frac{16}{81} x^{8} y^{4}[/tex]

5. [tex](-1\frac{1}{2}ab^{2}c )^{4}=\frac{81}{16}a^{4}b^{8}c^{4}[/tex]