2.
[tex] {2}^{7} \div ({2}^{2}) {}^{3} + {3}^{9} \times ({3}^{3} ) {}^{5} \div {3}^{20} + (3 \times 16 - 16) \times {2}^{3} = [/tex]
[tex] {2}^{7} \div {2}^{6} + {3}^{9} \times 3 {}^{15 \div } {3}^{20} + (48 - 16) \times {2}^{3} = [/tex]
[tex]2 + 3 {}^{24} \div {3}^{20} + 32 \times 2 {}^{3} = [/tex]
[tex]2 + {3}^{4} + {2}^{5} \times {2}^{3} = [/tex]
[tex]2 + 81 + {2}^{8} = [/tex]
[tex]83 + 256 = [/tex]
[tex]339[/tex]
