Evaluation Of $e ^ { 1 / 2 * \mathrm { n } 4.1 / 3 { *} \mathbf { n } 27 }$

Evaluation of $e ^ { 1 / 2 * \mathrm { n } 4.1 / 3 { *} \mathbf { n } 27 }$ without using tables or a calculator will show it is 6.