Simplify and write the expression

  1. 37(14)5\displaystyle \frac{{3}}{{7}}\cdot{\left(\frac{{1}}{{4}}\right)}^{{5}}     
  2. (10.8)4\displaystyle {\left(\frac{{1}}{{0.8}}\right)}^{{4}}     
  3. 4+5(3+57)\displaystyle {4}+{5}\cdot{\left({3}+{5}\cdot{7}\right)}