Question

3^-5*3^-7 дробь 3^-11

Answer 1

$\frac{ {3}^{ - 5} \times {3}^{ - 7} }{ {3}^{ - 11} } = \frac{ {3}^{ - 12} }{ {3}^{ - 11} } = \frac{ {3}^{ - 12} \times {3}^{12} }{ {3}^{ - 11} \times {3}^{12} } = \frac{1}{3}$