Mathematics$-7$ Exercise $5\mathrm{.}2$ Write the following with a single exponent: i$.,3^2{3}^3$ ii$.(-5{)}^{12}(-5{)}^7$ iii. $(\frac{-6}{7}{)}^4(\frac{-6}{7}{)}^7(\frac{-6}{7})$ iv$.\frac{{12}^{25}}{{12}^{11}}$ v$.\frac{7^9}{7^{12}}$ vi$.\frac{4^5{4}^4}{4^6}$ vii. $\frac{2^5{3}^3}{2^{3}3}$ viii. $(\frac{5}{9}{)}^5(\frac{5}{9}{)}^3(\frac{5}{9}{)}^7$ ix$.[(-3{)}^5{]}^3$ x$.[(\frac{1}{5}{)}^2{]}^3$ xi$.x^3{y}^3$ xii. $6^7(-6{)}^7$ xiii. $(7^4{)}^2(7^3{)}^4$ xiv.