[tex]\begin{array}{rl} 3^2\cdot 3^3\implies 3^1\cdot 3^1\cdot 3^1\cdot 3^1\cdot 3^1\implies 3^{1+1+1+1+1}\implies 3^5 \\\\\\ 5^1\cdot 5^2\implies 5^{1+2}\implies 5^3 \\\\\\ 8^2\cdot 8^4\implies 8^{2+4}\implies 8^6 \\\\\\ 7^6\cdot 7^2\implies 7^{6+2}\implies 7^8 \end{array}[/tex]
