mohon bantuannya nomor 3 dan 4

[tex]3. \\ ({ \frac{ {2}^{2} {3}^{3} {5}^{ - 4} }{2 {3}^{ - 2} {5}^{ - 3} } })^{2} \\ {( \frac{ {2}^{2} {3}^{3} {5}^{ 3} {3}^{2} }{2 {5}^{4} } })^{2} \\ ({ \frac{2 {3}^{5} }{5} })^{2} \\ \frac{ {2}^{2} {3}^{10} }{ {5}^{2} } \\ c \\ \\ 4. \\ \sqrt{48} + 3 \sqrt{12} - 4 \sqrt{27} + 4 \sqrt{3} \\ = \sqrt{16 \times 3} + 3 \sqrt{4 \times 3} - 4 \sqrt{9 \times 3} + 4 \sqrt{3} \\ = 4 \sqrt{3} + 3.2 \sqrt{3} - 4.3 \sqrt{3} + 4 \sqrt{3} \\ = 4 \sqrt{3} + 6 \sqrt{3} - 12 \sqrt{3} + 4 \sqrt{3} \\ = (4 + 6 - 12 + 4) \sqrt{3} \\ = 2 \sqrt{3} \\ b[/tex]