question_answer

Simplify: \[\left( {{2}^{5}}\div {{2}^{8}} \right)\times {{2}^{-7}}.\]

Answer:

\[\left( {{2}^{5\text{ }}}\div \text{ }{{2}^{8}} \right)\times {{2}^{7}}=\left( \frac{{{2}^{5}}}{{{2}^{8}}} \right)\times {{2}^{-7}}\]

\[({{2}^{-3}})\times {{2}^{-7}}={{2}^{-10}}\]