$$ 1)\:z^5z^8 = $$ $$ 2)\: \frac{v^2}{v^3} = $$ $$ 3)\: v^7 : v^7 = $$ $$ 4)\: (x^4)^8 = $$ $$ 5)\: c^6 \cdot b^6 = $$ $$ 6)\: (\frac{s}{e})^9 = $$ $$ 7)\:p^3p^2 = $$ $$ 8)\: \frac{k^6}{k^5} = $$ $$ 9)\: k^6 : k^5 = $$ $$ 10)\: (q^6)^4 = $$ $$ 11)\: d^7 \cdot b^7 = $$ $$ 12)\: (\frac{q}{e})^4 = $$