Question

3^-5*3^-7 дробь 3^-11

Answer 1

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