1) [tex]64 : 2^3 *4 = 2^6 : 2^3 * 2^2 = 2^3 * 2^2 = 2^5[/tex]
2) [tex]3^2 * 3^6 : 81 = 3^2 * 3^6 : 3^4 = 3^8 : 3^4 = 3^4[/tex]
3) [tex]3^7 : (9 * 27) = 3^7 : (3^2 * 3^3) = 3^7 : 3^5 = 3^2[/tex]
4) [tex]4^2 * 2^5 : 64 = (2^2)^2 * 2^5 : 2^6 = 2^4 * 2^5 : 2^6 = 2^9 : 2^6 = 2^2[/tex]
5) [tex]\frac{125 * (5^2)^2}{5^9 : 625} = \frac{5^3 * 5^4}{5^9 : 5^4} = \frac{5^7}{5^5} = 5^2[/tex]
6) [tex]\frac{64 : 2^3 * 4^4}{2^3 * 4^2} = \frac{2^6 : 2^3 * (2^2)^4}{2^3 * (2^2)^2} = \frac{2^6 : 2^3 * 2^8}{2^3 * 2^4} = \frac{2^{11}}{2^7} = 2^4[/tex]
