[tex]2 {}^{170} \div 8 {}^{56} + ( - 2) {}^{2} + ( - 3) {}^{1} \times ( - 1) {}^{3 {}^{1024} } = 2 {}^{170} \div2 {}^{168} + 4 - 3 + ( - 1) {}^{3 {}^{1024} } = 2 {}^{2} + 4 - 3 + ( - 1) {}^{3 {}^{1024} } = 4 + 4 - 3 \times ( - 1) {}^{3 {}^{1024} } = 5 + ( - 1) {}^{3 {}^{1024} } [/tex]